Home / 21,482,683,329.78-29,644,767,217.34-11,836,873,509.70

Finding the Fourth Proportional to 21,482,683,329.78, 29,644,767,217.34 and 11,836,873,509.70

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Solution

The fourth proportional to 21,482,683,329.78, 29,644,767,217.34 and 11,836,873,509.70 is: 16,334,149,435.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,482,683,329.78 : 29,644,767,217.34 = 11,836,873,509.70 : x
  2. Step 2: Convert to fraction form
    21,482,683,329.78/29,644,767,217.34 = 11,836,873,509.70/x
  3. Step 3: Cross multiply
    21,482,683,329.78x = 29,644,767,217.34 × 11,836,873,509.70
  4. Step 4: Simplify right side
    21,482,683,329.78x = 350,901,359,776,154,845,184
  5. Step 5: Solve for x
    x = 350,901,359,776,154,845,184/21,482,683,329.78
  6. Step 6: Final answer
    x = 16,334,149,435.13

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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.