Home / 15,421,322,338,850-21,281,593,575,387-8,389,960,459,959.60

Finding the Fourth Proportional to 15,421,322,338,850, 21,281,593,575,387 and 8,389,960,459,959.60

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Solution

The fourth proportional to 15,421,322,338,850, 21,281,593,575,387 and 8,389,960,459,959.60 is: 11,578,237,241,861.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,421,322,338,850 : 21,281,593,575,387 = 8,389,960,459,959.60 : x
  2. Step 2: Convert to fraction form
    15,421,322,338,850/21,281,593,575,387 = 8,389,960,459,959.60/x
  3. Step 3: Cross multiply
    15,421,322,338,850x = 21,281,593,575,387 × 8,389,960,459,959.60
  4. Step 4: Simplify right side
    15,421,322,338,850x = 178,551,728,622,427,175,382,941,696
  5. Step 5: Solve for x
    x = 178,551,728,622,427,175,382,941,696/15,421,322,338,850
  6. Step 6: Final answer
    x = 11,578,237,241,861.72

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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.