Home / 413,220,980.28-570,270,743.10-227,581,946.76

Finding the Fourth Proportional to 413,220,980.28, 570,270,743.10 and 227,581,946.76

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Solution

The fourth proportional to 413,220,980.28, 570,270,743.10 and 227,581,946.76 is: 314,077,290.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,220,980.28 : 570,270,743.10 = 227,581,946.76 : x
  2. Step 2: Convert to fraction form
    413,220,980.28/570,270,743.10 = 227,581,946.76/x
  3. Step 3: Cross multiply
    413,220,980.28x = 570,270,743.10 × 227,581,946.76
  4. Step 4: Simplify right side
    413,220,980.28x = 129,783,325,894,969,840
  5. Step 5: Solve for x
    x = 129,783,325,894,969,840/413,220,980.28
  6. Step 6: Final answer
    x = 314,077,290.57

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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.