Home / 1,373,339,445.42-1,895,258,272.23-786,741,955.50

Finding the Fourth Proportional to 1,373,339,445.42, 1,895,258,272.23 and 786,741,955.50

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Solution

The fourth proportional to 1,373,339,445.42, 1,895,258,272.23 and 786,741,955.50 is: 1,085,732,448.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,339,445.42 : 1,895,258,272.23 = 786,741,955.50 : x
  2. Step 2: Convert to fraction form
    1,373,339,445.42/1,895,258,272.23 = 786,741,955.50/x
  3. Step 3: Cross multiply
    1,373,339,445.42x = 1,895,258,272.23 × 786,741,955.50
  4. Step 4: Simplify right side
    1,373,339,445.42x = 1,491,079,199,271,781,632
  5. Step 5: Solve for x
    x = 1,491,079,199,271,781,632/1,373,339,445.42
  6. Step 6: Final answer
    x = 1,085,732,448.92

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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.