Home / 1,218,828,872.62-1,681,984,087.25-742,519,224.04

Finding the Fourth Proportional to 1,218,828,872.62, 1,681,984,087.25 and 742,519,224.04

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Solution

The fourth proportional to 1,218,828,872.62, 1,681,984,087.25 and 742,519,224.04 is: 1,024,676,677.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,828,872.62 : 1,681,984,087.25 = 742,519,224.04 : x
  2. Step 2: Convert to fraction form
    1,218,828,872.62/1,681,984,087.25 = 742,519,224.04/x
  3. Step 3: Cross multiply
    1,218,828,872.62x = 1,681,984,087.25 × 742,519,224.04
  4. Step 4: Simplify right side
    1,218,828,872.62x = 1,248,905,519,302,231,296
  5. Step 5: Solve for x
    x = 1,248,905,519,302,231,296/1,218,828,872.62
  6. Step 6: Final answer
    x = 1,024,676,677.23

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Double scale
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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.