Home / 488,326,444.88-732,489,929.76-181,578,699.68

Finding the Fourth Proportional to 488,326,444.88, 732,489,929.76 and 181,578,699.68

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Solution

The fourth proportional to 488,326,444.88, 732,489,929.76 and 181,578,699.68 is: 272,368,147.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,326,444.88 : 732,489,929.76 = 181,578,699.68 : x
  2. Step 2: Convert to fraction form
    488,326,444.88/732,489,929.76 = 181,578,699.68/x
  3. Step 3: Cross multiply
    488,326,444.88x = 732,489,929.76 × 181,578,699.68
  4. Step 4: Simplify right side
    488,326,444.88x = 133,004,568,974,515,344
  5. Step 5: Solve for x
    x = 133,004,568,974,515,344/488,326,444.88
  6. Step 6: Final answer
    x = 272,368,147.11

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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.