Home / 378,038,981.30-566,386,625.55-324,291,269.30

Finding the Fourth Proportional to 378,038,981.30, 566,386,625.55 and 324,291,269.30

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Solution

The fourth proportional to 378,038,981.30, 566,386,625.55 and 324,291,269.30 is: 485,860,577.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,038,981.30 : 566,386,625.55 = 324,291,269.30 : x
  2. Step 2: Convert to fraction form
    378,038,981.30/566,386,625.55 = 324,291,269.30/x
  3. Step 3: Cross multiply
    378,038,981.30x = 566,386,625.55 × 324,291,269.30
  4. Step 4: Simplify right side
    378,038,981.30x = 183,674,237,714,153,312
  5. Step 5: Solve for x
    x = 183,674,237,714,153,312/378,038,981.30
  6. Step 6: Final answer
    x = 485,860,577.35

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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.