Home / 9,686,475,731.16-13,367,335,997.34-5,231,139,678.36

Finding the Fourth Proportional to 9,686,475,731.16, 13,367,335,997.34 and 5,231,139,678.36

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Solution

The fourth proportional to 9,686,475,731.16, 13,367,335,997.34 and 5,231,139,678.36 is: 7,218,972,479.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,686,475,731.16 : 13,367,335,997.34 = 5,231,139,678.36 : x
  2. Step 2: Convert to fraction form
    9,686,475,731.16/13,367,335,997.34 = 5,231,139,678.36/x
  3. Step 3: Cross multiply
    9,686,475,731.16x = 13,367,335,997.34 × 5,231,139,678.36
  4. Step 4: Simplify right side
    9,686,475,731.16x = 69,926,401,729,655,209,984
  5. Step 5: Solve for x
    x = 69,926,401,729,655,209,984/9,686,475,731.16
  6. Step 6: Final answer
    x = 7,218,972,479.82

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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.