Home / 1,158,626,443.80-1,737,939,665.70-431,520,677.40

Finding the Fourth Proportional to 1,158,626,443.80, 1,737,939,665.70 and 431,520,677.40

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Solution

The fourth proportional to 1,158,626,443.80, 1,737,939,665.70 and 431,520,677.40 is: 647,281,016.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,626,443.80 : 1,737,939,665.70 = 431,520,677.40 : x
  2. Step 2: Convert to fraction form
    1,158,626,443.80/1,737,939,665.70 = 431,520,677.40/x
  3. Step 3: Cross multiply
    1,158,626,443.80x = 1,737,939,665.70 × 431,520,677.40
  4. Step 4: Simplify right side
    1,158,626,443.80x = 749,956,901,823,193,472
  5. Step 5: Solve for x
    x = 749,956,901,823,193,472/1,158,626,443.80
  6. Step 6: Final answer
    x = 647,281,016.10

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Double scale
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Similar ratio
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1.5x scale

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.