Home / 948,146,139.46-1,419,385,619.89-573,520,291.19

Finding the Fourth Proportional to 948,146,139.46, 1,419,385,619.89 and 573,520,291.19

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Solution

The fourth proportional to 948,146,139.46, 1,419,385,619.89 and 573,520,291.19 is: 858,566,438.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,146,139.46 : 1,419,385,619.89 = 573,520,291.19 : x
  2. Step 2: Convert to fraction form
    948,146,139.46/1,419,385,619.89 = 573,520,291.19/x
  3. Step 3: Cross multiply
    948,146,139.46x = 1,419,385,619.89 × 573,520,291.19
  4. Step 4: Simplify right side
    948,146,139.46x = 814,046,454,020,246,784
  5. Step 5: Solve for x
    x = 814,046,454,020,246,784/948,146,139.46
  6. Step 6: Final answer
    x = 858,566,438.38

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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.