Home / 1,160,961,694.72-1,602,127,158.24-639,440,926.72

Finding the Fourth Proportional to 1,160,961,694.72, 1,602,127,158.24 and 639,440,926.72

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Solution

The fourth proportional to 1,160,961,694.72, 1,602,127,158.24 and 639,440,926.72 is: 882,428,489.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,961,694.72 : 1,602,127,158.24 = 639,440,926.72 : x
  2. Step 2: Convert to fraction form
    1,160,961,694.72/1,602,127,158.24 = 639,440,926.72/x
  3. Step 3: Cross multiply
    1,160,961,694.72x = 1,602,127,158.24 × 639,440,926.72
  4. Step 4: Simplify right side
    1,160,961,694.72x = 1,024,465,674,788,265,728
  5. Step 5: Solve for x
    x = 1,024,465,674,788,265,728/1,160,961,694.72
  6. Step 6: Final answer
    x = 882,428,489.63

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