Home / 12,482,823,279.03-18,727,356,927.47-3,639,662,133.13

Finding the Fourth Proportional to 12,482,823,279.03, 18,727,356,927.47 and 3,639,662,133.13

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Solution

The fourth proportional to 12,482,823,279.03, 18,727,356,927.47 and 3,639,662,133.13 is: 5,460,403,495.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,823,279.03 : 18,727,356,927.47 = 3,639,662,133.13 : x
  2. Step 2: Convert to fraction form
    12,482,823,279.03/18,727,356,927.47 = 3,639,662,133.13/x
  3. Step 3: Cross multiply
    12,482,823,279.03x = 18,727,356,927.47 × 3,639,662,133.13
  4. Step 4: Simplify right side
    12,482,823,279.03x = 68,161,251,862,428,712,960
  5. Step 5: Solve for x
    x = 68,161,251,862,428,712,960/12,482,823,279.03
  6. Step 6: Final answer
    x = 5,460,403,495.17

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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.