Home / 2,012,920,911.80-3,019,381,367.70-558,898,335.80

Finding the Fourth Proportional to 2,012,920,911.80, 3,019,381,367.70 and 558,898,335.80

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Solution

The fourth proportional to 2,012,920,911.80, 3,019,381,367.70 and 558,898,335.80 is: 838,347,503.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012,920,911.80 : 3,019,381,367.70 = 558,898,335.80 : x
  2. Step 2: Convert to fraction form
    2,012,920,911.80/3,019,381,367.70 = 558,898,335.80/x
  3. Step 3: Cross multiply
    2,012,920,911.80x = 3,019,381,367.70 × 558,898,335.80
  4. Step 4: Simplify right side
    2,012,920,911.80x = 1,687,527,221,553,057,536
  5. Step 5: Solve for x
    x = 1,687,527,221,553,057,536/2,012,920,911.80
  6. Step 6: Final answer
    x = 838,347,503.70

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Double scale
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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.