Home / 715,872,640.96-1,073,112,545.08-342,283,443.74

Finding the Fourth Proportional to 715,872,640.96, 1,073,112,545.08 and 342,283,443.74

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Solution

The fourth proportional to 715,872,640.96, 1,073,112,545.08 and 342,283,443.74 is: 513,092,184.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,872,640.96 : 1,073,112,545.08 = 342,283,443.74 : x
  2. Step 2: Convert to fraction form
    715,872,640.96/1,073,112,545.08 = 342,283,443.74/x
  3. Step 3: Cross multiply
    715,872,640.96x = 1,073,112,545.08 × 342,283,443.74
  4. Step 4: Simplify right side
    715,872,640.96x = 367,308,657,450,578,432
  5. Step 5: Solve for x
    x = 367,308,657,450,578,432/715,872,640.96
  6. Step 6: Final answer
    x = 513,092,184.89

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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.