Home / 279,406,944.38-385,564,209.94-153,952,119.72

Finding the Fourth Proportional to 279,406,944.38, 385,564,209.94 and 153,952,119.72

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Solution

The fourth proportional to 279,406,944.38, 385,564,209.94 and 153,952,119.72 is: 212,444,352.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,406,944.38 : 385,564,209.94 = 153,952,119.72 : x
  2. Step 2: Convert to fraction form
    279,406,944.38/385,564,209.94 = 153,952,119.72/x
  3. Step 3: Cross multiply
    279,406,944.38x = 385,564,209.94 × 153,952,119.72
  4. Step 4: Simplify right side
    279,406,944.38x = 59,358,427,407,314,128
  5. Step 5: Solve for x
    x = 59,358,427,407,314,128/279,406,944.38
  6. Step 6: Final answer
    x = 212,444,352.59

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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.