Home / 488,351,619.20-732,527,428.80-181,580,254.40

Finding the Fourth Proportional to 488,351,619.20, 732,527,428.80 and 181,580,254.40

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Solution

The fourth proportional to 488,351,619.20, 732,527,428.80 and 181,580,254.40 is: 272,370,381.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,351,619.20 : 732,527,428.80 = 181,580,254.40 : x
  2. Step 2: Convert to fraction form
    488,351,619.20/732,527,428.80 = 181,580,254.40/x
  3. Step 3: Cross multiply
    488,351,619.20x = 732,527,428.80 × 181,580,254.40
  4. Step 4: Simplify right side
    488,351,619.20x = 133,012,516,876,481,888
  5. Step 5: Solve for x
    x = 133,012,516,876,481,888/488,351,619.20
  6. Step 6: Final answer
    x = 272,370,381.60

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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.