Home / 10,489,478,300.17-15,728,471,406.61-5,165,883,798.24

Finding the Fourth Proportional to 10,489,478,300.17, 15,728,471,406.61 and 5,165,883,798.24

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Solution

The fourth proportional to 10,489,478,300.17, 15,728,471,406.61 and 5,165,883,798.24 is: 7,745,995,871.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,489,478,300.17 : 15,728,471,406.61 = 5,165,883,798.24 : x
  2. Step 2: Convert to fraction form
    10,489,478,300.17/15,728,471,406.61 = 5,165,883,798.24/x
  3. Step 3: Cross multiply
    10,489,478,300.17x = 15,728,471,406.61 × 5,165,883,798.24
  4. Step 4: Simplify right side
    10,489,478,300.17x = 81,251,455,610,480,066,560
  5. Step 5: Solve for x
    x = 81,251,455,610,480,066,560/10,489,478,300.17
  6. Step 6: Final answer
    x = 7,745,995,871.80

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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.