Home / 360,989,818.30-540,601,629-326,053,411.84

Finding the Fourth Proportional to 360,989,818.30, 540,601,629 and 326,053,411.84

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Solution

The fourth proportional to 360,989,818.30, 540,601,629 and 326,053,411.84 is: 488,282,485.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,989,818.30 : 540,601,629 = 326,053,411.84 : x
  2. Step 2: Convert to fraction form
    360,989,818.30/540,601,629 = 326,053,411.84/x
  3. Step 3: Cross multiply
    360,989,818.30x = 540,601,629 × 326,053,411.84
  4. Step 4: Simplify right side
    360,989,818.30x = 176,265,005,581,711,872
  5. Step 5: Solve for x
    x = 176,265,005,581,711,872/360,989,818.30
  6. Step 6: Final answer
    x = 488,282,485.12

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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.