Home / 629,856,743.40-944,785,115.10-626,030,368.20

Finding the Fourth Proportional to 629,856,743.40, 944,785,115.10 and 626,030,368.20

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Solution

The fourth proportional to 629,856,743.40, 944,785,115.10 and 626,030,368.20 is: 939,045,552.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,856,743.40 : 944,785,115.10 = 626,030,368.20 : x
  2. Step 2: Convert to fraction form
    629,856,743.40/944,785,115.10 = 626,030,368.20/x
  3. Step 3: Cross multiply
    629,856,743.40x = 944,785,115.10 × 626,030,368.20
  4. Step 4: Simplify right side
    629,856,743.40x = 591,464,173,475,932,416
  5. Step 5: Solve for x
    x = 591,464,173,475,932,416/629,856,743.40
  6. Step 6: Final answer
    x = 939,045,552.30

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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.