Home / 1,087,693,126.92-1,630,377,926.82-620,348,373

Finding the Fourth Proportional to 1,087,693,126.92, 1,630,377,926.82 and 620,348,373

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Solution

The fourth proportional to 1,087,693,126.92, 1,630,377,926.82 and 620,348,373 is: 929,859,966.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,693,126.92 : 1,630,377,926.82 = 620,348,373 : x
  2. Step 2: Convert to fraction form
    1,087,693,126.92/1,630,377,926.82 = 620,348,373/x
  3. Step 3: Cross multiply
    1,087,693,126.92x = 1,630,377,926.82 × 620,348,373
  4. Step 4: Simplify right side
    1,087,693,126.92x = 1,011,402,294,277,900,032
  5. Step 5: Solve for x
    x = 1,011,402,294,277,900,032/1,087,693,126.92
  6. Step 6: Final answer
    x = 929,859,966.24

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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.