Home / 514,551,032.28-710,084,328.39-279,602,958.78

Finding the Fourth Proportional to 514,551,032.28, 710,084,328.39 and 279,602,958.78

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Solution

The fourth proportional to 514,551,032.28, 710,084,328.39 and 279,602,958.78 is: 385,854,204.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,551,032.28 : 710,084,328.39 = 279,602,958.78 : x
  2. Step 2: Convert to fraction form
    514,551,032.28/710,084,328.39 = 279,602,958.78/x
  3. Step 3: Cross multiply
    514,551,032.28x = 710,084,328.39 × 279,602,958.78
  4. Step 4: Simplify right side
    514,551,032.28x = 198,541,679,201,153,120
  5. Step 5: Solve for x
    x = 198,541,679,201,153,120/514,551,032.28
  6. Step 6: Final answer
    x = 385,854,204.43

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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.