Home / 1,119,744,365.90-1,679,616,548.85-829,506,721.10

Finding the Fourth Proportional to 1,119,744,365.90, 1,679,616,548.85 and 829,506,721.10

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Solution

The fourth proportional to 1,119,744,365.90, 1,679,616,548.85 and 829,506,721.10 is: 1,244,260,081.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,744,365.90 : 1,679,616,548.85 = 829,506,721.10 : x
  2. Step 2: Convert to fraction form
    1,119,744,365.90/1,679,616,548.85 = 829,506,721.10/x
  3. Step 3: Cross multiply
    1,119,744,365.90x = 1,679,616,548.85 × 829,506,721.10
  4. Step 4: Simplify right side
    1,119,744,365.90x = 1,393,253,216,141,861,376
  5. Step 5: Solve for x
    x = 1,393,253,216,141,861,376/1,119,744,365.90
  6. Step 6: Final answer
    x = 1,244,260,081.65

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Double scale
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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.