Home / 677,172,319.04-934,423,081.64-379,753,356.30

Finding the Fourth Proportional to 677,172,319.04, 934,423,081.64 and 379,753,356.30

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Solution

The fourth proportional to 677,172,319.04, 934,423,081.64 and 379,753,356.30 is: 524,017,730.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,172,319.04 : 934,423,081.64 = 379,753,356.30 : x
  2. Step 2: Convert to fraction form
    677,172,319.04/934,423,081.64 = 379,753,356.30/x
  3. Step 3: Cross multiply
    677,172,319.04x = 934,423,081.64 × 379,753,356.30
  4. Step 4: Simplify right side
    677,172,319.04x = 354,850,301,454,185,856
  5. Step 5: Solve for x
    x = 354,850,301,454,185,856/677,172,319.04
  6. Step 6: Final answer
    x = 524,017,730.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.