Home / 414,466,808.20-571,956,376.83-253,518,949.86

Finding the Fourth Proportional to 414,466,808.20, 571,956,376.83 and 253,518,949.86

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Solution

The fourth proportional to 414,466,808.20, 571,956,376.83 and 253,518,949.86 is: 349,851,368.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,466,808.20 : 571,956,376.83 = 253,518,949.86 : x
  2. Step 2: Convert to fraction form
    414,466,808.20/571,956,376.83 = 253,518,949.86/x
  3. Step 3: Cross multiply
    414,466,808.20x = 571,956,376.83 × 253,518,949.86
  4. Step 4: Simplify right side
    414,466,808.20x = 145,001,780,019,672,064
  5. Step 5: Solve for x
    x = 145,001,780,019,672,064/414,466,808.20
  6. Step 6: Final answer
    x = 349,851,368.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.