Home / 22,487,217,521.40-31,032,363,118.86-12,463,359,512.76

Finding the Fourth Proportional to 22,487,217,521.40, 31,032,363,118.86 and 12,463,359,512.76

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Solution

The fourth proportional to 22,487,217,521.40, 31,032,363,118.86 and 12,463,359,512.76 is: 17,199,437,756.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,487,217,521.40 : 31,032,363,118.86 = 12,463,359,512.76 : x
  2. Step 2: Convert to fraction form
    22,487,217,521.40/31,032,363,118.86 = 12,463,359,512.76/x
  3. Step 3: Cross multiply
    22,487,217,521.40x = 31,032,363,118.86 × 12,463,359,512.76
  4. Step 4: Simplify right side
    22,487,217,521.40x = 386,767,498,080,866,402,304
  5. Step 5: Solve for x
    x = 386,767,498,080,866,402,304/22,487,217,521.40
  6. Step 6: Final answer
    x = 17,199,437,756.71

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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.