Home / 1,347,277,910.28-1,861,063,272.36-1,015,260,142.56

Finding the Fourth Proportional to 1,347,277,910.28, 1,861,063,272.36 and 1,015,260,142.56

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Solution

The fourth proportional to 1,347,277,910.28, 1,861,063,272.36 and 1,015,260,142.56 is: 1,402,430,299.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,277,910.28 : 1,861,063,272.36 = 1,015,260,142.56 : x
  2. Step 2: Convert to fraction form
    1,347,277,910.28/1,861,063,272.36 = 1,015,260,142.56/x
  3. Step 3: Cross multiply
    1,347,277,910.28x = 1,861,063,272.36 × 1,015,260,142.56
  4. Step 4: Simplify right side
    1,347,277,910.28x = 1,889,463,363,209,393,408
  5. Step 5: Solve for x
    x = 1,889,463,363,209,393,408/1,347,277,910.28
  6. Step 6: Final answer
    x = 1,402,430,299.49

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.