Home / 1,816,671,292.37-2,507,007,391.10-981,295,867.52

Finding the Fourth Proportional to 1,816,671,292.37, 2,507,007,391.10 and 981,295,867.52

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Solution

The fourth proportional to 1,816,671,292.37, 2,507,007,391.10 and 981,295,867.52 is: 1,354,188,841.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,671,292.37 : 2,507,007,391.10 = 981,295,867.52 : x
  2. Step 2: Convert to fraction form
    1,816,671,292.37/2,507,007,391.10 = 981,295,867.52/x
  3. Step 3: Cross multiply
    1,816,671,292.37x = 2,507,007,391.10 × 981,295,867.52
  4. Step 4: Simplify right side
    1,816,671,292.37x = 2,460,115,992,711,084,544
  5. Step 5: Solve for x
    x = 2,460,115,992,711,084,544/1,816,671,292.37
  6. Step 6: Final answer
    x = 1,354,188,841.45

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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.