Home / 1,373,339,420.92-1,895,258,238.42-786,741,931

Finding the Fourth Proportional to 1,373,339,420.92, 1,895,258,238.42 and 786,741,931

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Solution

The fourth proportional to 1,373,339,420.92, 1,895,258,238.42 and 786,741,931 is: 1,085,732,415.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,339,420.92 : 1,895,258,238.42 = 786,741,931 : x
  2. Step 2: Convert to fraction form
    1,373,339,420.92/1,895,258,238.42 = 786,741,931/x
  3. Step 3: Cross multiply
    1,373,339,420.92x = 1,895,258,238.42 × 786,741,931
  4. Step 4: Simplify right side
    1,373,339,420.92x = 1,491,079,126,238,209,280
  5. Step 5: Solve for x
    x = 1,491,079,126,238,209,280/1,373,339,420.92
  6. Step 6: Final answer
    x = 1,085,732,415.11

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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.