Home / 27,282,814,439.54-37,650,342,275.79-15,401,919,443.54

Finding the Fourth Proportional to 27,282,814,439.54, 37,650,342,275.79 and 15,401,919,443.54

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Solution

The fourth proportional to 27,282,814,439.54, 37,650,342,275.79 and 15,401,919,443.54 is: 21,254,681,771.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,282,814,439.54 : 37,650,342,275.79 = 15,401,919,443.54 : x
  2. Step 2: Convert to fraction form
    27,282,814,439.54/37,650,342,275.79 = 15,401,919,443.54/x
  3. Step 3: Cross multiply
    27,282,814,439.54x = 37,650,342,275.79 × 15,401,919,443.54
  4. Step 4: Simplify right side
    27,282,814,439.54x = 579,887,538,753,426,096,128
  5. Step 5: Solve for x
    x = 579,887,538,753,426,096,128/27,282,814,439.54
  6. Step 6: Final answer
    x = 21,254,681,771.87

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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.