Home / 6,940,121,252.19-9,577,367,328.02-3,969,897,503.19

Finding the Fourth Proportional to 6,940,121,252.19, 9,577,367,328.02 and 3,969,897,503.19

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Solution

The fourth proportional to 6,940,121,252.19, 9,577,367,328.02 and 3,969,897,503.19 is: 5,478,458,554.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,940,121,252.19 : 9,577,367,328.02 = 3,969,897,503.19 : x
  2. Step 2: Convert to fraction form
    6,940,121,252.19/9,577,367,328.02 = 3,969,897,503.19/x
  3. Step 3: Cross multiply
    6,940,121,252.19x = 9,577,367,328.02 × 3,969,897,503.19
  4. Step 4: Simplify right side
    6,940,121,252.19x = 38,021,166,642,640,084,992
  5. Step 5: Solve for x
    x = 38,021,166,642,640,084,992/6,940,121,252.19
  6. Step 6: Final answer
    x = 5,478,458,554.40

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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.