Home / 441,875,848.64-610,049,931.52-392,847,566.72

Finding the Fourth Proportional to 441,875,848.64, 610,049,931.52 and 392,847,566.72

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Solution

The fourth proportional to 441,875,848.64, 610,049,931.52 and 392,847,566.72 is: 542,361,914.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,875,848.64 : 610,049,931.52 = 392,847,566.72 : x
  2. Step 2: Convert to fraction form
    441,875,848.64/610,049,931.52 = 392,847,566.72/x
  3. Step 3: Cross multiply
    441,875,848.64x = 610,049,931.52 × 392,847,566.72
  4. Step 4: Simplify right side
    441,875,848.64x = 239,656,631,175,334,656
  5. Step 5: Solve for x
    x = 239,656,631,175,334,656/441,875,848.64
  6. Step 6: Final answer
    x = 542,361,914.35

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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.