Home / 18,681,974,674.46-25,781,108,394.56-10,545,490,719.06

Finding the Fourth Proportional to 18,681,974,674.46, 25,781,108,394.56 and 10,545,490,719.06

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Solution

The fourth proportional to 18,681,974,674.46, 25,781,108,394.56 and 10,545,490,719.06 is: 14,552,767,790.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,681,974,674.46 : 25,781,108,394.56 = 10,545,490,719.06 : x
  2. Step 2: Convert to fraction form
    18,681,974,674.46/25,781,108,394.56 = 10,545,490,719.06/x
  3. Step 3: Cross multiply
    18,681,974,674.46x = 25,781,108,394.56 × 10,545,490,719.06
  4. Step 4: Simplify right side
    18,681,974,674.46x = 271,874,439,301,859,606,528
  5. Step 5: Solve for x
    x = 271,874,439,301,859,606,528/18,681,974,674.46
  6. Step 6: Final answer
    x = 14,552,767,790.31

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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.