Home / 371,878,047.70-557,817,071.55-349,203,231.70

Finding the Fourth Proportional to 371,878,047.70, 557,817,071.55 and 349,203,231.70

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Solution

The fourth proportional to 371,878,047.70, 557,817,071.55 and 349,203,231.70 is: 523,804,847.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,878,047.70 : 557,817,071.55 = 349,203,231.70 : x
  2. Step 2: Convert to fraction form
    371,878,047.70/557,817,071.55 = 349,203,231.70/x
  3. Step 3: Cross multiply
    371,878,047.70x = 557,817,071.55 × 349,203,231.70
  4. Step 4: Simplify right side
    371,878,047.70x = 194,791,524,082,690,112
  5. Step 5: Solve for x
    x = 194,791,524,082,690,112/371,878,047.70
  6. Step 6: Final answer
    x = 523,804,847.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.