Home / 9,686,475,731.66-13,367,335,998.04-5,231,139,678.86

Finding the Fourth Proportional to 9,686,475,731.66, 13,367,335,998.04 and 5,231,139,678.86

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Solution

The fourth proportional to 9,686,475,731.66, 13,367,335,998.04 and 5,231,139,678.86 is: 7,218,972,480.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,686,475,731.66 : 13,367,335,998.04 = 5,231,139,678.86 : x
  2. Step 2: Convert to fraction form
    9,686,475,731.66/13,367,335,998.04 = 5,231,139,678.86/x
  3. Step 3: Cross multiply
    9,686,475,731.66x = 13,367,335,998.04 × 5,231,139,678.86
  4. Step 4: Simplify right side
    9,686,475,731.66x = 69,926,401,740,000,681,984
  5. Step 5: Solve for x
    x = 69,926,401,740,000,681,984/9,686,475,731.66
  6. Step 6: Final answer
    x = 7,218,972,480.51

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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.