Home / 688,799,606.64-1,033,199,487.72-279,856,034.16

Finding the Fourth Proportional to 688,799,606.64, 1,033,199,487.72 and 279,856,034.16

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Solution

The fourth proportional to 688,799,606.64, 1,033,199,487.72 and 279,856,034.16 is: 419,784,082.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,799,606.64 : 1,033,199,487.72 = 279,856,034.16 : x
  2. Step 2: Convert to fraction form
    688,799,606.64/1,033,199,487.72 = 279,856,034.16/x
  3. Step 3: Cross multiply
    688,799,606.64x = 1,033,199,487.72 × 279,856,034.16
  4. Step 4: Simplify right side
    688,799,606.64x = 289,147,111,129,462,848
  5. Step 5: Solve for x
    x = 289,147,111,129,462,848/688,799,606.64
  6. Step 6: Final answer
    x = 419,784,082.83

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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.