Home / 739,418,486.58-1,020,429,397.53-409,393,624.50

Finding the Fourth Proportional to 739,418,486.58, 1,020,429,397.53 and 409,393,624.50

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Solution

The fourth proportional to 739,418,486.58, 1,020,429,397.53 and 409,393,624.50 is: 564,980,856.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,418,486.58 : 1,020,429,397.53 = 409,393,624.50 : x
  2. Step 2: Convert to fraction form
    739,418,486.58/1,020,429,397.53 = 409,393,624.50/x
  3. Step 3: Cross multiply
    739,418,486.58x = 1,020,429,397.53 × 409,393,624.50
  4. Step 4: Simplify right side
    739,418,486.58x = 417,757,289,601,158,016
  5. Step 5: Solve for x
    x = 417,757,289,601,158,016/739,418,486.58
  6. Step 6: Final answer
    x = 564,980,856.15

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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.