Home / 1,119,744,115.40-1,679,616,173.10-829,506,470.60

Finding the Fourth Proportional to 1,119,744,115.40, 1,679,616,173.10 and 829,506,470.60

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Solution

The fourth proportional to 1,119,744,115.40, 1,679,616,173.10 and 829,506,470.60 is: 1,244,259,705.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,744,115.40 : 1,679,616,173.10 = 829,506,470.60 : x
  2. Step 2: Convert to fraction form
    1,119,744,115.40/1,679,616,173.10 = 829,506,470.60/x
  3. Step 3: Cross multiply
    1,119,744,115.40x = 1,679,616,173.10 × 829,506,470.60
  4. Step 4: Simplify right side
    1,119,744,115.40x = 1,393,252,483,710,859,520
  5. Step 5: Solve for x
    x = 1,393,252,483,710,859,520/1,119,744,115.40
  6. Step 6: Final answer
    x = 1,244,259,705.90

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Double scale
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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.