Home / 528,408,045.30-792,612,067.95-480,790,931.70

Finding the Fourth Proportional to 528,408,045.30, 792,612,067.95 and 480,790,931.70

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Solution

The fourth proportional to 528,408,045.30, 792,612,067.95 and 480,790,931.70 is: 721,186,397.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,408,045.30 : 792,612,067.95 = 480,790,931.70 : x
  2. Step 2: Convert to fraction form
    528,408,045.30/792,612,067.95 = 480,790,931.70/x
  3. Step 3: Cross multiply
    528,408,045.30x = 792,612,067.95 × 480,790,931.70
  4. Step 4: Simplify right side
    528,408,045.30x = 381,080,694,626,344,192
  5. Step 5: Solve for x
    x = 381,080,694,626,344,192/528,408,045.30
  6. Step 6: Final answer
    x = 721,186,397.55

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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.