Home / 18,398,862,637.30-25,390,380,253.29-10,260,674,887.69

Finding the Fourth Proportional to 18,398,862,637.30, 25,390,380,253.29 and 10,260,674,887.69

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Solution

The fourth proportional to 18,398,862,637.30, 25,390,380,253.29 and 10,260,674,887.69 is: 14,159,703,357.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,398,862,637.30 : 25,390,380,253.29 = 10,260,674,887.69 : x
  2. Step 2: Convert to fraction form
    18,398,862,637.30/25,390,380,253.29 = 10,260,674,887.69/x
  3. Step 3: Cross multiply
    18,398,862,637.30x = 25,390,380,253.29 × 10,260,674,887.69
  4. Step 4: Simplify right side
    18,398,862,637.30x = 260,522,437,053,832,790,016
  5. Step 5: Solve for x
    x = 260,522,437,053,832,790,016/18,398,862,637.30
  6. Step 6: Final answer
    x = 14,159,703,357.19

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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.