Home / 526,094,049.64-725,980,249.40-287,938,749.07

Finding the Fourth Proportional to 526,094,049.64, 725,980,249.40 and 287,938,749.07

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Solution

The fourth proportional to 526,094,049.64, 725,980,249.40 and 287,938,749.07 is: 397,339,306.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,094,049.64 : 725,980,249.40 = 287,938,749.07 : x
  2. Step 2: Convert to fraction form
    526,094,049.64/725,980,249.40 = 287,938,749.07/x
  3. Step 3: Cross multiply
    526,094,049.64x = 725,980,249.40 × 287,938,749.07
  4. Step 4: Simplify right side
    526,094,049.64x = 209,037,844,863,663,488
  5. Step 5: Solve for x
    x = 209,037,844,863,663,488/526,094,049.64
  6. Step 6: Final answer
    x = 397,339,306.55

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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.