Home / 278,046,002.10-417,069,003.15-265,291,418.10

Finding the Fourth Proportional to 278,046,002.10, 417,069,003.15 and 265,291,418.10

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Solution

The fourth proportional to 278,046,002.10, 417,069,003.15 and 265,291,418.10 is: 397,937,127.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,046,002.10 : 417,069,003.15 = 265,291,418.10 : x
  2. Step 2: Convert to fraction form
    278,046,002.10/417,069,003.15 = 265,291,418.10/x
  3. Step 3: Cross multiply
    278,046,002.10x = 417,069,003.15 × 265,291,418.10
  4. Step 4: Simplify right side
    278,046,002.10x = 110,644,827,291,216,864
  5. Step 5: Solve for x
    x = 110,644,827,291,216,864/278,046,002.10
  6. Step 6: Final answer
    x = 397,937,127.15

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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.