Home / 1,372,658,774.10-1,894,476,171.38-837,121,132.10

Finding the Fourth Proportional to 1,372,658,774.10, 1,894,476,171.38 and 837,121,132.10

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Solution

The fourth proportional to 1,372,658,774.10, 1,894,476,171.38 and 837,121,132.10 is: 1,155,353,440.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,658,774.10 : 1,894,476,171.38 = 837,121,132.10 : x
  2. Step 2: Convert to fraction form
    1,372,658,774.10/1,894,476,171.38 = 837,121,132.10/x
  3. Step 3: Cross multiply
    1,372,658,774.10x = 1,894,476,171.38 × 837,121,132.10
  4. Step 4: Simplify right side
    1,372,658,774.10x = 1,585,906,037,328,928,000
  5. Step 5: Solve for x
    x = 1,585,906,037,328,928,000/1,372,658,774.10
  6. Step 6: Final answer
    x = 1,155,353,440.53

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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.