Home / 721,748,282.20-1,083,077,832.94-307,224,426.76

Finding the Fourth Proportional to 721,748,282.20, 1,083,077,832.94 and 307,224,426.76

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Solution

The fourth proportional to 721,748,282.20, 1,083,077,832.94 and 307,224,426.76 is: 461,030,492.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,748,282.20 : 1,083,077,832.94 = 307,224,426.76 : x
  2. Step 2: Convert to fraction form
    721,748,282.20/1,083,077,832.94 = 307,224,426.76/x
  3. Step 3: Cross multiply
    721,748,282.20x = 1,083,077,832.94 × 307,224,426.76
  4. Step 4: Simplify right side
    721,748,282.20x = 332,747,966,356,807,232
  5. Step 5: Solve for x
    x = 332,747,966,356,807,232/721,748,282.20
  6. Step 6: Final answer
    x = 461,030,492.99

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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.