Home / 39,508,822,280.74-54,520,714,794.35-21,443,950,634.65

Finding the Fourth Proportional to 39,508,822,280.74, 54,520,714,794.35 and 21,443,950,634.65

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Solution

The fourth proportional to 39,508,822,280.74, 54,520,714,794.35 and 21,443,950,634.65 is: 29,591,859,466.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,508,822,280.74 : 54,520,714,794.35 = 21,443,950,634.65 : x
  2. Step 2: Convert to fraction form
    39,508,822,280.74/54,520,714,794.35 = 21,443,950,634.65/x
  3. Step 3: Cross multiply
    39,508,822,280.74x = 54,520,714,794.35 × 21,443,950,634.65
  4. Step 4: Simplify right side
    39,508,822,280.74x = 1,169,139,516,615,818,739,712
  5. Step 5: Solve for x
    x = 1,169,139,516,615,818,739,712/39,508,822,280.74
  6. Step 6: Final answer
    x = 29,591,859,466.43

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.