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Finding the Fourth Proportional to 1,260,513,757.04, 1,739,799,222.36 and 739,160,950.64

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Solution

The fourth proportional to 1,260,513,757.04, 1,739,799,222.36 and 739,160,950.64 is: 1,020,212,306.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,513,757.04 : 1,739,799,222.36 = 739,160,950.64 : x
  2. Step 2: Convert to fraction form
    1,260,513,757.04/1,739,799,222.36 = 739,160,950.64/x
  3. Step 3: Cross multiply
    1,260,513,757.04x = 1,739,799,222.36 × 739,160,950.64
  4. Step 4: Simplify right side
    1,260,513,757.04x = 1,285,991,647,122,350,336
  5. Step 5: Solve for x
    x = 1,285,991,647,122,350,336/1,260,513,757.04
  6. Step 6: Final answer
    x = 1,020,212,306.24

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.