Home / 629,860,547.40-944,790,821.10-169,845,217.80

Finding the Fourth Proportional to 629,860,547.40, 944,790,821.10 and 169,845,217.80

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Solution

The fourth proportional to 629,860,547.40, 944,790,821.10 and 169,845,217.80 is: 254,767,826.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,860,547.40 : 944,790,821.10 = 169,845,217.80 : x
  2. Step 2: Convert to fraction form
    629,860,547.40/944,790,821.10 = 169,845,217.80/x
  3. Step 3: Cross multiply
    629,860,547.40x = 944,790,821.10 × 169,845,217.80
  4. Step 4: Simplify right side
    629,860,547.40x = 160,468,202,785,170,336
  5. Step 5: Solve for x
    x = 160,468,202,785,170,336/629,860,547.40
  6. Step 6: Final answer
    x = 254,767,826.70

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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.