Home / 547,973,742.83-821,960,598.36-252,781,524.79

Finding the Fourth Proportional to 547,973,742.83, 821,960,598.36 and 252,781,524.79

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Solution

The fourth proportional to 547,973,742.83, 821,960,598.36 and 252,781,524.79 is: 379,172,279.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,973,742.83 : 821,960,598.36 = 252,781,524.79 : x
  2. Step 2: Convert to fraction form
    547,973,742.83/821,960,598.36 = 252,781,524.79/x
  3. Step 3: Cross multiply
    547,973,742.83x = 821,960,598.36 × 252,781,524.79
  4. Step 4: Simplify right side
    547,973,742.83x = 207,776,453,371,769,024
  5. Step 5: Solve for x
    x = 207,776,453,371,769,024/547,973,742.83
  6. Step 6: Final answer
    x = 379,172,279.86

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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.