Home / 629,856,749.40-944,785,124.10-626,030,374.20

Finding the Fourth Proportional to 629,856,749.40, 944,785,124.10 and 626,030,374.20

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Solution

The fourth proportional to 629,856,749.40, 944,785,124.10 and 626,030,374.20 is: 939,045,561.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,856,749.40 : 944,785,124.10 = 626,030,374.20 : x
  2. Step 2: Convert to fraction form
    629,856,749.40/944,785,124.10 = 626,030,374.20/x
  3. Step 3: Cross multiply
    629,856,749.40x = 944,785,124.10 × 626,030,374.20
  4. Step 4: Simplify right side
    629,856,749.40x = 591,464,184,778,916,480
  5. Step 5: Solve for x
    x = 591,464,184,778,916,480/629,856,749.40
  6. Step 6: Final answer
    x = 939,045,561.30

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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.