Home / 498,074,820.16-747,565,600.86-265,101,124.08

Finding the Fourth Proportional to 498,074,820.16, 747,565,600.86 and 265,101,124.08

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Solution

The fourth proportional to 498,074,820.16, 747,565,600.86 and 265,101,124.08 is: 397,892,993.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,074,820.16 : 747,565,600.86 = 265,101,124.08 : x
  2. Step 2: Convert to fraction form
    498,074,820.16/747,565,600.86 = 265,101,124.08/x
  3. Step 3: Cross multiply
    498,074,820.16x = 747,565,600.86 × 265,101,124.08
  4. Step 4: Simplify right side
    498,074,820.16x = 198,180,481,111,526,624
  5. Step 5: Solve for x
    x = 198,180,481,111,526,624/498,074,820.16
  6. Step 6: Final answer
    x = 397,892,993.36

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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.