Home / 1,230,853,423.83-1,698,422,104.57-980,592,544.95

Finding the Fourth Proportional to 1,230,853,423.83, 1,698,422,104.57 and 980,592,544.95

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Solution

The fourth proportional to 1,230,853,423.83, 1,698,422,104.57 and 980,592,544.95 is: 1,353,093,732.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,853,423.83 : 1,698,422,104.57 = 980,592,544.95 : x
  2. Step 2: Convert to fraction form
    1,230,853,423.83/1,698,422,104.57 = 980,592,544.95/x
  3. Step 3: Cross multiply
    1,230,853,423.83x = 1,698,422,104.57 × 980,592,544.95
  4. Step 4: Simplify right side
    1,230,853,423.83x = 1,665,460,053,919,631,360
  5. Step 5: Solve for x
    x = 1,665,460,053,919,631,360/1,230,853,423.83
  6. Step 6: Final answer
    x = 1,353,093,732.91

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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.