Home / 12,482,823,278.48-18,727,356,926.64-3,639,662,132.57

Finding the Fourth Proportional to 12,482,823,278.48, 18,727,356,926.64 and 3,639,662,132.57

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Solution

The fourth proportional to 12,482,823,278.48, 18,727,356,926.64 and 3,639,662,132.57 is: 5,460,403,494.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,823,278.48 : 18,727,356,926.64 = 3,639,662,132.57 : x
  2. Step 2: Convert to fraction form
    12,482,823,278.48/18,727,356,926.64 = 3,639,662,132.57/x
  3. Step 3: Cross multiply
    12,482,823,278.48x = 18,727,356,926.64 × 3,639,662,132.57
  4. Step 4: Simplify right side
    12,482,823,278.48x = 68,161,251,849,007,136,768
  5. Step 5: Solve for x
    x = 68,161,251,849,007,136,768/12,482,823,278.48
  6. Step 6: Final answer
    x = 5,460,403,494.34

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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.