Home / 443,070,288.57-664,720,343.13-235,638,126.74

Finding the Fourth Proportional to 443,070,288.57, 664,720,343.13 and 235,638,126.74

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Solution

The fourth proportional to 443,070,288.57, 664,720,343.13 and 235,638,126.74 is: 353,518,302.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,070,288.57 : 664,720,343.13 = 235,638,126.74 : x
  2. Step 2: Convert to fraction form
    443,070,288.57/664,720,343.13 = 235,638,126.74/x
  3. Step 3: Cross multiply
    443,070,288.57x = 664,720,343.13 × 235,638,126.74
  4. Step 4: Simplify right side
    443,070,288.57x = 156,633,456,463,668,672
  5. Step 5: Solve for x
    x = 156,633,456,463,668,672/443,070,288.57
  6. Step 6: Final answer
    x = 353,518,302.86

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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.