Home / 848,278,854.30-1,272,418,281.45-440,132,166.30

Finding the Fourth Proportional to 848,278,854.30, 1,272,418,281.45 and 440,132,166.30

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Solution

The fourth proportional to 848,278,854.30, 1,272,418,281.45 and 440,132,166.30 is: 660,198,249.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,278,854.30 : 1,272,418,281.45 = 440,132,166.30 : x
  2. Step 2: Convert to fraction form
    848,278,854.30/1,272,418,281.45 = 440,132,166.30/x
  3. Step 3: Cross multiply
    848,278,854.30x = 1,272,418,281.45 × 440,132,166.30
  4. Step 4: Simplify right side
    848,278,854.30x = 560,032,214,654,311,616
  5. Step 5: Solve for x
    x = 560,032,214,654,311,616/848,278,854.30
  6. Step 6: Final answer
    x = 660,198,249.45

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Double scale
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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.