Home / 637,781,627.17-880,138,638.35-344,426,195.17

Finding the Fourth Proportional to 637,781,627.17, 880,138,638.35 and 344,426,195.17

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Solution

The fourth proportional to 637,781,627.17, 880,138,638.35 and 344,426,195.17 is: 475,308,145.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,781,627.17 : 880,138,638.35 = 344,426,195.17 : x
  2. Step 2: Convert to fraction form
    637,781,627.17/880,138,638.35 = 344,426,195.17/x
  3. Step 3: Cross multiply
    637,781,627.17x = 880,138,638.35 × 344,426,195.17
  4. Step 4: Simplify right side
    637,781,627.17x = 303,142,802,427,273,024
  5. Step 5: Solve for x
    x = 303,142,802,427,273,024/637,781,627.17
  6. Step 6: Final answer
    x = 475,308,145.47

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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.