Home / 289,386,000.20-434,582,885.10-153,337,104.20

Finding the Fourth Proportional to 289,386,000.20, 434,582,885.10 and 153,337,104.20

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Solution

The fourth proportional to 289,386,000.20, 434,582,885.10 and 153,337,104.20 is: 230,272,649.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,386,000.20 : 434,582,885.10 = 153,337,104.20 : x
  2. Step 2: Convert to fraction form
    289,386,000.20/434,582,885.10 = 153,337,104.20/x
  3. Step 3: Cross multiply
    289,386,000.20x = 434,582,885.10 × 153,337,104.20
  4. Step 4: Simplify right side
    289,386,000.20x = 66,637,681,136,115,328
  5. Step 5: Solve for x
    x = 66,637,681,136,115,328/289,386,000.20
  6. Step 6: Final answer
    x = 230,272,649.99

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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.