Home / 402,505,306.80-603,439,095.60-220,752,484.80

Finding the Fourth Proportional to 402,505,306.80, 603,439,095.60 and 220,752,484.80

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Solution

The fourth proportional to 402,505,306.80, 603,439,095.60 and 220,752,484.80 is: 330,953,847.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,505,306.80 : 603,439,095.60 = 220,752,484.80 : x
  2. Step 2: Convert to fraction form
    402,505,306.80/603,439,095.60 = 220,752,484.80/x
  3. Step 3: Cross multiply
    402,505,306.80x = 603,439,095.60 × 220,752,484.80
  4. Step 4: Simplify right side
    402,505,306.80x = 133,210,679,779,164,752
  5. Step 5: Solve for x
    x = 133,210,679,779,164,752/402,505,306.80
  6. Step 6: Final answer
    x = 330,953,847.14

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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.