Home / 498,506,309.30-747,091,062.06-387,975,446.84

Finding the Fourth Proportional to 498,506,309.30, 747,091,062.06 and 387,975,446.84

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Solution

The fourth proportional to 498,506,309.30, 747,091,062.06 and 387,975,446.84 is: 581,442,969.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,506,309.30 : 747,091,062.06 = 387,975,446.84 : x
  2. Step 2: Convert to fraction form
    498,506,309.30/747,091,062.06 = 387,975,446.84/x
  3. Step 3: Cross multiply
    498,506,309.30x = 747,091,062.06 × 387,975,446.84
  4. Step 4: Simplify right side
    498,506,309.30x = 289,852,988,629,163,200
  5. Step 5: Solve for x
    x = 289,852,988,629,163,200/498,506,309.30
  6. Step 6: Final answer
    x = 581,442,969.18

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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.