Home / 317,022,742.76-475,684,390.20-153,168,649.52

Finding the Fourth Proportional to 317,022,742.76, 475,684,390.20 and 153,168,649.52

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Solution

The fourth proportional to 317,022,742.76, 475,684,390.20 and 153,168,649.52 is: 229,825,579.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,022,742.76 : 475,684,390.20 = 153,168,649.52 : x
  2. Step 2: Convert to fraction form
    317,022,742.76/475,684,390.20 = 153,168,649.52/x
  3. Step 3: Cross multiply
    317,022,742.76x = 475,684,390.20 × 153,168,649.52
  4. Step 4: Simplify right side
    317,022,742.76x = 72,859,935,644,678,720
  5. Step 5: Solve for x
    x = 72,859,935,644,678,720/317,022,742.76
  6. Step 6: Final answer
    x = 229,825,579.74

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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.