Home / 1,372,521,021.30-1,894,098,185.01-745,989,261.30

Finding the Fourth Proportional to 1,372,521,021.30, 1,894,098,185.01 and 745,989,261.30

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Solution

The fourth proportional to 1,372,521,021.30, 1,894,098,185.01 and 745,989,261.30 is: 1,029,475,602.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,521,021.30 : 1,894,098,185.01 = 745,989,261.30 : x
  2. Step 2: Convert to fraction form
    1,372,521,021.30/1,894,098,185.01 = 745,989,261.30/x
  3. Step 3: Cross multiply
    1,372,521,021.30x = 1,894,098,185.01 × 745,989,261.30
  4. Step 4: Simplify right side
    1,372,521,021.30x = 1,412,976,905,865,280,512
  5. Step 5: Solve for x
    x = 1,412,976,905,865,280,512/1,372,521,021.30
  6. Step 6: Final answer
    x = 1,029,475,602.88

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Double scale
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1.5x scale

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.