Home / 39,856,150,274.30-55,001,492,041.98-21,791,678,723.15

Finding the Fourth Proportional to 39,856,150,274.30, 55,001,492,041.98 and 21,791,678,723.15

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Solution

The fourth proportional to 39,856,150,274.30, 55,001,492,041.98 and 21,791,678,723.15 is: 30,072,519,187.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,856,150,274.30 : 55,001,492,041.98 = 21,791,678,723.15 : x
  2. Step 2: Convert to fraction form
    39,856,150,274.30/55,001,492,041.98 = 21,791,678,723.15/x
  3. Step 3: Cross multiply
    39,856,150,274.30x = 55,001,492,041.98 × 21,791,678,723.15
  4. Step 4: Simplify right side
    39,856,150,274.30x = 1,198,574,843,872,610,615,296
  5. Step 5: Solve for x
    x = 1,198,574,843,872,610,615,296/39,856,150,274.30
  6. Step 6: Final answer
    x = 30,072,519,187.73

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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.