Home / 8,391,829,689.38-11,580,761,959.98-4,632,671,147.06

Finding the Fourth Proportional to 8,391,829,689.38, 11,580,761,959.98 and 4,632,671,147.06

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Solution

The fourth proportional to 8,391,829,689.38, 11,580,761,959.98 and 4,632,671,147.06 is: 6,393,106,602.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,391,829,689.38 : 11,580,761,959.98 = 4,632,671,147.06 : x
  2. Step 2: Convert to fraction form
    8,391,829,689.38/11,580,761,959.98 = 4,632,671,147.06/x
  3. Step 3: Cross multiply
    8,391,829,689.38x = 11,580,761,959.98 × 4,632,671,147.06
  4. Step 4: Simplify right side
    8,391,829,689.38x = 53,649,861,792,969,359,360
  5. Step 5: Solve for x
    x = 53,649,861,792,969,359,360/8,391,829,689.38
  6. Step 6: Final answer
    x = 6,393,106,602.35

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Double scale
Find fourth proportional to 8,391,829,690.38, 11,580,761,961.36 and 4,632,671,148.06
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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.