Home / 18,398,862,539.61-25,390,380,119.46-10,260,674,789.91

Finding the Fourth Proportional to 18,398,862,539.61, 25,390,380,119.46 and 10,260,674,789.91

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Solution

The fourth proportional to 18,398,862,539.61, 25,390,380,119.46 and 10,260,674,789.91 is: 14,159,703,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,398,862,539.61 : 25,390,380,119.46 = 10,260,674,789.91 : x
  2. Step 2: Convert to fraction form
    18,398,862,539.61/25,390,380,119.46 = 10,260,674,789.91/x
  3. Step 3: Cross multiply
    18,398,862,539.61x = 25,390,380,119.46 × 10,260,674,789.91
  4. Step 4: Simplify right side
    18,398,862,539.61x = 260,522,433,197,975,273,472
  5. Step 5: Solve for x
    x = 260,522,433,197,975,273,472/18,398,862,539.61
  6. Step 6: Final answer
    x = 14,159,703,222.80

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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.