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Finding the Fourth Proportional to 497,668,339.60, 746,502,509.40 and 225,048,000.40

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Solution

The fourth proportional to 497,668,339.60, 746,502,509.40 and 225,048,000.40 is: 337,572,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,668,339.60 : 746,502,509.40 = 225,048,000.40 : x
  2. Step 2: Convert to fraction form
    497,668,339.60/746,502,509.40 = 225,048,000.40/x
  3. Step 3: Cross multiply
    497,668,339.60x = 746,502,509.40 × 225,048,000.40
  4. Step 4: Simplify right side
    497,668,339.60x = 167,998,897,034,052,192
  5. Step 5: Solve for x
    x = 167,998,897,034,052,192/497,668,339.60
  6. Step 6: Final answer
    x = 337,572,000.60

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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.