Home / 359,424,269.20-539,136,403.80-221,471,808.40

Finding the Fourth Proportional to 359,424,269.20, 539,136,403.80 and 221,471,808.40

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Solution

The fourth proportional to 359,424,269.20, 539,136,403.80 and 221,471,808.40 is: 332,207,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,424,269.20 : 539,136,403.80 = 221,471,808.40 : x
  2. Step 2: Convert to fraction form
    359,424,269.20/539,136,403.80 = 221,471,808.40/x
  3. Step 3: Cross multiply
    359,424,269.20x = 539,136,403.80 × 221,471,808.40
  4. Step 4: Simplify right side
    359,424,269.20x = 119,403,514,323,858,624
  5. Step 5: Solve for x
    x = 119,403,514,323,858,624/359,424,269.20
  6. Step 6: Final answer
    x = 332,207,712.60

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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.