Home / 526,315,565.32-726,286,705.52-288,114,669.52

Finding the Fourth Proportional to 526,315,565.32, 726,286,705.52 and 288,114,669.52

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Solution

The fourth proportional to 526,315,565.32, 726,286,705.52 and 288,114,669.52 is: 397,582,492.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,315,565.32 : 726,286,705.52 = 288,114,669.52 : x
  2. Step 2: Convert to fraction form
    526,315,565.32/726,286,705.52 = 288,114,669.52/x
  3. Step 3: Cross multiply
    526,315,565.32x = 726,286,705.52 × 288,114,669.52
  4. Step 4: Simplify right side
    526,315,565.32x = 209,253,854,136,568,928
  5. Step 5: Solve for x
    x = 209,253,854,136,568,928/526,315,565.32
  6. Step 6: Final answer
    x = 397,582,492.19

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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.