Home / 27,551,246,810.39-38,021,924,631.38-15,509,034,670.32

Finding the Fourth Proportional to 27,551,246,810.39, 38,021,924,631.38 and 15,509,034,670.32

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Solution

The fourth proportional to 27,551,246,810.39, 38,021,924,631.38 and 15,509,034,670.32 is: 21,403,145,614.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,551,246,810.39 : 38,021,924,631.38 = 15,509,034,670.32 : x
  2. Step 2: Convert to fraction form
    27,551,246,810.39/38,021,924,631.38 = 15,509,034,670.32/x
  3. Step 3: Cross multiply
    27,551,246,810.39x = 38,021,924,631.38 × 15,509,034,670.32
  4. Step 4: Simplify right side
    27,551,246,810.39x = 589,683,347,340,288,851,968
  5. Step 5: Solve for x
    x = 589,683,347,340,288,851,968/27,551,246,810.39
  6. Step 6: Final answer
    x = 21,403,145,614.38

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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.