Home / 315,145,246.80-472,717,870.20-310,840,574.70

Finding the Fourth Proportional to 315,145,246.80, 472,717,870.20 and 310,840,574.70

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Solution

The fourth proportional to 315,145,246.80, 472,717,870.20 and 310,840,574.70 is: 466,260,862.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,145,246.80 : 472,717,870.20 = 310,840,574.70 : x
  2. Step 2: Convert to fraction form
    315,145,246.80/472,717,870.20 = 310,840,574.70/x
  3. Step 3: Cross multiply
    315,145,246.80x = 472,717,870.20 × 310,840,574.70
  4. Step 4: Simplify right side
    315,145,246.80x = 146,939,894,443,928,000
  5. Step 5: Solve for x
    x = 146,939,894,443,928,000/315,145,246.80
  6. Step 6: Final answer
    x = 466,260,862.05

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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.