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Finding the Fourth Proportional to 746,553,614.40, 1,119,830,421.60 and 746,553,614.40

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Solution

The fourth proportional to 746,553,614.40, 1,119,830,421.60 and 746,553,614.40 is: 1,119,830,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,553,614.40 : 1,119,830,421.60 = 746,553,614.40 : x
  2. Step 2: Convert to fraction form
    746,553,614.40/1,119,830,421.60 = 746,553,614.40/x
  3. Step 3: Cross multiply
    746,553,614.40x = 1,119,830,421.60 × 746,553,614.40
  4. Step 4: Simplify right side
    746,553,614.40x = 836,013,448,760,555,776
  5. Step 5: Solve for x
    x = 836,013,448,760,555,776/746,553,614.40
  6. Step 6: Final answer
    x = 1,119,830,421.60

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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.