Home / 629,856,917.40-944,785,376.10-370,938,862.20

Finding the Fourth Proportional to 629,856,917.40, 944,785,376.10 and 370,938,862.20

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Solution

The fourth proportional to 629,856,917.40, 944,785,376.10 and 370,938,862.20 is: 556,408,293.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,856,917.40 : 944,785,376.10 = 370,938,862.20 : x
  2. Step 2: Convert to fraction form
    629,856,917.40/944,785,376.10 = 370,938,862.20/x
  3. Step 3: Cross multiply
    629,856,917.40x = 944,785,376.10 × 370,938,862.20
  4. Step 4: Simplify right side
    629,856,917.40x = 350,457,612,433,733,056
  5. Step 5: Solve for x
    x = 350,457,612,433,733,056/629,856,917.40
  6. Step 6: Final answer
    x = 556,408,293.30

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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.