Home / 1,119,744,284.90-1,679,616,427.35-829,506,640.10

Finding the Fourth Proportional to 1,119,744,284.90, 1,679,616,427.35 and 829,506,640.10

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Solution

The fourth proportional to 1,119,744,284.90, 1,679,616,427.35 and 829,506,640.10 is: 1,244,259,960.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,744,284.90 : 1,679,616,427.35 = 829,506,640.10 : x
  2. Step 2: Convert to fraction form
    1,119,744,284.90/1,679,616,427.35 = 829,506,640.10/x
  3. Step 3: Cross multiply
    1,119,744,284.90x = 1,679,616,427.35 × 829,506,640.10
  4. Step 4: Simplify right side
    1,119,744,284.90x = 1,393,252,979,307,864,320
  5. Step 5: Solve for x
    x = 1,393,252,979,307,864,320/1,119,744,284.90
  6. Step 6: Final answer
    x = 1,244,259,960.15

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Half scale
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Double scale
Find fourth proportional to 1,119,744,285.90, 1,679,616,428.85 and 829,506,641.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.