Home / 381,142,417.85-525,680,006.88-275,691,404.18

Finding the Fourth Proportional to 381,142,417.85, 525,680,006.88 and 275,691,404.18

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Solution

The fourth proportional to 381,142,417.85, 525,680,006.88 and 275,691,404.18 is: 380,239,649.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,142,417.85 : 525,680,006.88 = 275,691,404.18 : x
  2. Step 2: Convert to fraction form
    381,142,417.85/525,680,006.88 = 275,691,404.18/x
  3. Step 3: Cross multiply
    381,142,417.85x = 525,680,006.88 × 275,691,404.18
  4. Step 4: Simplify right side
    381,142,417.85x = 144,925,459,246,895,168
  5. Step 5: Solve for x
    x = 144,925,459,246,895,168/381,142,417.85
  6. Step 6: Final answer
    x = 380,239,649.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.