Home / 715,854,317.92-1,073,936,031.20-217,903,770.96

Finding the Fourth Proportional to 715,854,317.92, 1,073,936,031.20 and 217,903,770.96

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Solution

The fourth proportional to 715,854,317.92, 1,073,936,031.20 and 217,903,770.96 is: 326,902,702.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,854,317.92 : 1,073,936,031.20 = 217,903,770.96 : x
  2. Step 2: Convert to fraction form
    715,854,317.92/1,073,936,031.20 = 217,903,770.96/x
  3. Step 3: Cross multiply
    715,854,317.92x = 1,073,936,031.20 × 217,903,770.96
  4. Step 4: Simplify right side
    715,854,317.92x = 234,014,710,967,206,688
  5. Step 5: Solve for x
    x = 234,014,710,967,206,688/715,854,317.92
  6. Step 6: Final answer
    x = 326,902,702.28

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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.