Home / 652,100,891.20-977,891,521.20-215,280,008.80

Finding the Fourth Proportional to 652,100,891.20, 977,891,521.20 and 215,280,008.80

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Solution

The fourth proportional to 652,100,891.20, 977,891,521.20 and 215,280,008.80 is: 322,834,239.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,100,891.20 : 977,891,521.20 = 215,280,008.80 : x
  2. Step 2: Convert to fraction form
    652,100,891.20/977,891,521.20 = 215,280,008.80/x
  3. Step 3: Cross multiply
    652,100,891.20x = 977,891,521.20 × 215,280,008.80
  4. Step 4: Simplify right side
    652,100,891.20x = 210,520,495,289,381,408
  5. Step 5: Solve for x
    x = 210,520,495,289,381,408/652,100,891.20
  6. Step 6: Final answer
    x = 322,834,239.50

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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.