Home / 929,232,192.20-1,392,168,672.30-540,737,011.40

Finding the Fourth Proportional to 929,232,192.20, 1,392,168,672.30 and 540,737,011.40

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Solution

The fourth proportional to 929,232,192.20, 1,392,168,672.30 and 540,737,011.40 is: 810,128,118.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,232,192.20 : 1,392,168,672.30 = 540,737,011.40 : x
  2. Step 2: Convert to fraction form
    929,232,192.20/1,392,168,672.30 = 540,737,011.40/x
  3. Step 3: Cross multiply
    929,232,192.20x = 1,392,168,672.30 × 540,737,011.40
  4. Step 4: Simplify right side
    929,232,192.20x = 752,797,127,224,207,872
  5. Step 5: Solve for x
    x = 752,797,127,224,207,872/929,232,192.20
  6. Step 6: Final answer
    x = 810,128,118.19

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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.