Home / 889,225,255.59-1,227,688,635.91-572,236,246.36

Finding the Fourth Proportional to 889,225,255.59, 1,227,688,635.91 and 572,236,246.36

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Solution

The fourth proportional to 889,225,255.59, 1,227,688,635.91 and 572,236,246.36 is: 790,044,965.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,225,255.59 : 1,227,688,635.91 = 572,236,246.36 : x
  2. Step 2: Convert to fraction form
    889,225,255.59/1,227,688,635.91 = 572,236,246.36/x
  3. Step 3: Cross multiply
    889,225,255.59x = 1,227,688,635.91 × 572,236,246.36
  4. Step 4: Simplify right side
    889,225,255.59x = 702,527,936,711,967,232
  5. Step 5: Solve for x
    x = 702,527,936,711,967,232/889,225,255.59
  6. Step 6: Final answer
    x = 790,044,965.88

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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.