Home / 376,358,047.57-519,343,656.06-217,598,356.46

Finding the Fourth Proportional to 376,358,047.57, 519,343,656.06 and 217,598,356.46

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Solution

The fourth proportional to 376,358,047.57, 519,343,656.06 and 217,598,356.46 is: 300,268,126.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,358,047.57 : 519,343,656.06 = 217,598,356.46 : x
  2. Step 2: Convert to fraction form
    376,358,047.57/519,343,656.06 = 217,598,356.46/x
  3. Step 3: Cross multiply
    376,358,047.57x = 519,343,656.06 × 217,598,356.46
  4. Step 4: Simplify right side
    376,358,047.57x = 113,008,325,995,125,712
  5. Step 5: Solve for x
    x = 113,008,325,995,125,712/376,358,047.57
  6. Step 6: Final answer
    x = 300,268,126.92

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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.