Home / 1,015,655,550.30-1,523,483,325.45-909,114,915.83

Finding the Fourth Proportional to 1,015,655,550.30, 1,523,483,325.45 and 909,114,915.83

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Solution

The fourth proportional to 1,015,655,550.30, 1,523,483,325.45 and 909,114,915.83 is: 1,363,672,373.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,655,550.30 : 1,523,483,325.45 = 909,114,915.83 : x
  2. Step 2: Convert to fraction form
    1,015,655,550.30/1,523,483,325.45 = 909,114,915.83/x
  3. Step 3: Cross multiply
    1,015,655,550.30x = 1,523,483,325.45 × 909,114,915.83
  4. Step 4: Simplify right side
    1,015,655,550.30x = 1,385,021,415,177,267,968
  5. Step 5: Solve for x
    x = 1,385,021,415,177,267,968/1,015,655,550.30
  6. Step 6: Final answer
    x = 1,363,672,373.74

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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.