Home / 671,665,963.80-1,007,498,945.70-613,552,890.45

Finding the Fourth Proportional to 671,665,963.80, 1,007,498,945.70 and 613,552,890.45

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Solution

The fourth proportional to 671,665,963.80, 1,007,498,945.70 and 613,552,890.45 is: 920,329,335.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,665,963.80 : 1,007,498,945.70 = 613,552,890.45 : x
  2. Step 2: Convert to fraction form
    671,665,963.80/1,007,498,945.70 = 613,552,890.45/x
  3. Step 3: Cross multiply
    671,665,963.80x = 1,007,498,945.70 × 613,552,890.45
  4. Step 4: Simplify right side
    671,665,963.80x = 618,153,890,259,562,624
  5. Step 5: Solve for x
    x = 618,153,890,259,562,624/671,665,963.80
  6. Step 6: Final answer
    x = 920,329,335.68

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Double scale
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Similar ratio
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1.5x scale

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.