Home / 18,398,862,538.85-25,390,380,118.40-10,260,674,789.15

Finding the Fourth Proportional to 18,398,862,538.85, 25,390,380,118.40 and 10,260,674,789.15

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Solution

The fourth proportional to 18,398,862,538.85, 25,390,380,118.40 and 10,260,674,789.15 is: 14,159,703,221.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,398,862,538.85 : 25,390,380,118.40 = 10,260,674,789.15 : x
  2. Step 2: Convert to fraction form
    18,398,862,538.85/25,390,380,118.40 = 10,260,674,789.15/x
  3. Step 3: Cross multiply
    18,398,862,538.85x = 25,390,380,118.40 × 10,260,674,789.15
  4. Step 4: Simplify right side
    18,398,862,538.85x = 260,522,433,167,624,044,544
  5. Step 5: Solve for x
    x = 260,522,433,167,624,044,544/18,398,862,538.85
  6. Step 6: Final answer
    x = 14,159,703,221.74

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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.