Home / 580,180,139.52-870,270,209.28-191,898,643.20

Finding the Fourth Proportional to 580,180,139.52, 870,270,209.28 and 191,898,643.20

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Solution

The fourth proportional to 580,180,139.52, 870,270,209.28 and 191,898,643.20 is: 287,847,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,180,139.52 : 870,270,209.28 = 191,898,643.20 : x
  2. Step 2: Convert to fraction form
    580,180,139.52/870,270,209.28 = 191,898,643.20/x
  3. Step 3: Cross multiply
    580,180,139.52x = 870,270,209.28 × 191,898,643.20
  4. Step 4: Simplify right side
    580,180,139.52x = 167,003,672,378,212,032
  5. Step 5: Solve for x
    x = 167,003,672,378,212,032/580,180,139.52
  6. Step 6: Final answer
    x = 287,847,964.80

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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.