Home / 721,748,284.32-1,083,077,836.11-307,224,428.88

Finding the Fourth Proportional to 721,748,284.32, 1,083,077,836.11 and 307,224,428.88

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Solution

The fourth proportional to 721,748,284.32, 1,083,077,836.11 and 307,224,428.88 is: 461,030,496.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,748,284.32 : 1,083,077,836.11 = 307,224,428.88 : x
  2. Step 2: Convert to fraction form
    721,748,284.32/1,083,077,836.11 = 307,224,428.88/x
  3. Step 3: Cross multiply
    721,748,284.32x = 1,083,077,836.11 × 307,224,428.88
  4. Step 4: Simplify right side
    721,748,284.32x = 332,747,969,631,480,960
  5. Step 5: Solve for x
    x = 332,747,969,631,480,960/721,748,284.32
  6. Step 6: Final answer
    x = 461,030,496.17

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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.