Home / 865,366,901.55-1,298,050,352.33-251,971,138.35

Finding the Fourth Proportional to 865,366,901.55, 1,298,050,352.33 and 251,971,138.35

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Solution

The fourth proportional to 865,366,901.55, 1,298,050,352.33 and 251,971,138.35 is: 377,956,707.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,366,901.55 : 1,298,050,352.33 = 251,971,138.35 : x
  2. Step 2: Convert to fraction form
    865,366,901.55/1,298,050,352.33 = 251,971,138.35/x
  3. Step 3: Cross multiply
    865,366,901.55x = 1,298,050,352.33 × 251,971,138.35
  4. Step 4: Simplify right side
    865,366,901.55x = 327,071,224,910,948,800
  5. Step 5: Solve for x
    x = 327,071,224,910,948,800/865,366,901.55
  6. Step 6: Final answer
    x = 377,956,707.53

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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.