Home / 942,336,007.80-1,413,504,011.70-534,189,319.80

Finding the Fourth Proportional to 942,336,007.80, 1,413,504,011.70 and 534,189,319.80

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Solution

The fourth proportional to 942,336,007.80, 1,413,504,011.70 and 534,189,319.80 is: 801,283,979.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,336,007.80 : 1,413,504,011.70 = 534,189,319.80 : x
  2. Step 2: Convert to fraction form
    942,336,007.80/1,413,504,011.70 = 534,189,319.80/x
  3. Step 3: Cross multiply
    942,336,007.80x = 1,413,504,011.70 × 534,189,319.80
  4. Step 4: Simplify right side
    942,336,007.80x = 755,078,746,544,594,304
  5. Step 5: Solve for x
    x = 755,078,746,544,594,304/942,336,007.80
  6. Step 6: Final answer
    x = 801,283,979.70

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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.