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Finding the Fourth Proportional to 497,670,807.60, 746,506,211.40 and 497,670,807.60

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Solution

The fourth proportional to 497,670,807.60, 746,506,211.40 and 497,670,807.60 is: 746,506,211.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,670,807.60 : 746,506,211.40 = 497,670,807.60 : x
  2. Step 2: Convert to fraction form
    497,670,807.60/746,506,211.40 = 497,670,807.60/x
  3. Step 3: Cross multiply
    497,670,807.60x = 746,506,211.40 × 497,670,807.60
  4. Step 4: Simplify right side
    497,670,807.60x = 371,514,349,105,854,336
  5. Step 5: Solve for x
    x = 371,514,349,105,854,336/497,670,807.60
  6. Step 6: Final answer
    x = 746,506,211.40

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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.