Home / 21,508,423,939.80-32,262,635,909.70-12,210,332,203.80

Finding the Fourth Proportional to 21,508,423,939.80, 32,262,635,909.70 and 12,210,332,203.80

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Solution

The fourth proportional to 21,508,423,939.80, 32,262,635,909.70 and 12,210,332,203.80 is: 18,315,498,305.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,508,423,939.80 : 32,262,635,909.70 = 12,210,332,203.80 : x
  2. Step 2: Convert to fraction form
    21,508,423,939.80/32,262,635,909.70 = 12,210,332,203.80/x
  3. Step 3: Cross multiply
    21,508,423,939.80x = 32,262,635,909.70 × 12,210,332,203.80
  4. Step 4: Simplify right side
    21,508,423,939.80x = 393,937,502,227,684,196,352
  5. Step 5: Solve for x
    x = 393,937,502,227,684,196,352/21,508,423,939.80
  6. Step 6: Final answer
    x = 18,315,498,305.70

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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.