Home / 20,518,471,955.10-30,797,610,320.52-9,902,167,412.52

Finding the Fourth Proportional to 20,518,471,955.10, 30,797,610,320.52 and 9,902,167,412.52

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Solution

The fourth proportional to 20,518,471,955.10, 30,797,610,320.52 and 9,902,167,412.52 is: 14,862,855,965.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,518,471,955.10 : 30,797,610,320.52 = 9,902,167,412.52 : x
  2. Step 2: Convert to fraction form
    20,518,471,955.10/30,797,610,320.52 = 9,902,167,412.52/x
  3. Step 3: Cross multiply
    20,518,471,955.10x = 30,797,610,320.52 × 9,902,167,412.52
  4. Step 4: Simplify right side
    20,518,471,955.10x = 304,963,093,299,342,802,944
  5. Step 5: Solve for x
    x = 304,963,093,299,342,802,944/20,518,471,955.10
  6. Step 6: Final answer
    x = 14,862,855,965.43

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1.5x scale

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.