Home / 1,230,853,422.83-1,698,422,103.20-980,592,543.95

Finding the Fourth Proportional to 1,230,853,422.83, 1,698,422,103.20 and 980,592,543.95

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Solution

The fourth proportional to 1,230,853,422.83, 1,698,422,103.20 and 980,592,543.95 is: 1,353,093,731.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,853,422.83 : 1,698,422,103.20 = 980,592,543.95 : x
  2. Step 2: Convert to fraction form
    1,230,853,422.83/1,698,422,103.20 = 980,592,543.95/x
  3. Step 3: Cross multiply
    1,230,853,422.83x = 1,698,422,103.20 × 980,592,543.95
  4. Step 4: Simplify right side
    1,230,853,422.83x = 1,665,460,050,872,894,464
  5. Step 5: Solve for x
    x = 1,665,460,050,872,894,464/1,230,853,422.83
  6. Step 6: Final answer
    x = 1,353,093,731.54

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Double scale
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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.