Home / 512,516,560.48-768,905,798.28-149,010,916.48

Finding the Fourth Proportional to 512,516,560.48, 768,905,798.28 and 149,010,916.48

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Solution

The fourth proportional to 512,516,560.48, 768,905,798.28 and 149,010,916.48 is: 223,554,449.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,516,560.48 : 768,905,798.28 = 149,010,916.48 : x
  2. Step 2: Convert to fraction form
    512,516,560.48/768,905,798.28 = 149,010,916.48/x
  3. Step 3: Cross multiply
    512,516,560.48x = 768,905,798.28 × 149,010,916.48
  4. Step 4: Simplify right side
    512,516,560.48x = 114,575,357,688,488,800
  5. Step 5: Solve for x
    x = 114,575,357,688,488,800/512,516,560.48
  6. Step 6: Final answer
    x = 223,554,449.79

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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.