Home / 1,068,876,938.70-1,603,315,408.05-965,564,808.30

Finding the Fourth Proportional to 1,068,876,938.70, 1,603,315,408.05 and 965,564,808.30

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Solution

The fourth proportional to 1,068,876,938.70, 1,603,315,408.05 and 965,564,808.30 is: 1,448,347,212.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,876,938.70 : 1,603,315,408.05 = 965,564,808.30 : x
  2. Step 2: Convert to fraction form
    1,068,876,938.70/1,603,315,408.05 = 965,564,808.30/x
  3. Step 3: Cross multiply
    1,068,876,938.70x = 1,603,315,408.05 × 965,564,808.30
  4. Step 4: Simplify right side
    1,068,876,938.70x = 1,548,104,934,618,234,368
  5. Step 5: Solve for x
    x = 1,548,104,934,618,234,368/1,068,876,938.70
  6. Step 6: Final answer
    x = 1,448,347,212.45

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Double scale
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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.