Home / 7,891,183,434.80-10,887,270,871.56-5,380,698,659.60

Finding the Fourth Proportional to 7,891,183,434.80, 10,887,270,871.56 and 5,380,698,659.60

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Solution

The fourth proportional to 7,891,183,434.80, 10,887,270,871.56 and 5,380,698,659.60 is: 7,423,617,036.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,891,183,434.80 : 10,887,270,871.56 = 5,380,698,659.60 : x
  2. Step 2: Convert to fraction form
    7,891,183,434.80/10,887,270,871.56 = 5,380,698,659.60/x
  3. Step 3: Cross multiply
    7,891,183,434.80x = 10,887,270,871.56 × 5,380,698,659.60
  4. Step 4: Simplify right side
    7,891,183,434.80x = 58,581,123,785,305,014,272
  5. Step 5: Solve for x
    x = 58,581,123,785,305,014,272/7,891,183,434.80
  6. Step 6: Final answer
    x = 7,423,617,036.57

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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.