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Finding the Fourth Proportional to 453,901,681.80, 680,852,522.70 and 270,235,672.20

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Solution

The fourth proportional to 453,901,681.80, 680,852,522.70 and 270,235,672.20 is: 405,353,508.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,901,681.80 : 680,852,522.70 = 270,235,672.20 : x
  2. Step 2: Convert to fraction form
    453,901,681.80/680,852,522.70 = 270,235,672.20/x
  3. Step 3: Cross multiply
    453,901,681.80x = 680,852,522.70 × 270,235,672.20
  4. Step 4: Simplify right side
    453,901,681.80x = 183,990,639,140,900,256
  5. Step 5: Solve for x
    x = 183,990,639,140,900,256/453,901,681.80
  6. Step 6: Final answer
    x = 405,353,508.30

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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.