Home / 671,436,701.70-1,007,155,052.55-398,667,063.30

Finding the Fourth Proportional to 671,436,701.70, 1,007,155,052.55 and 398,667,063.30

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Solution

The fourth proportional to 671,436,701.70, 1,007,155,052.55 and 398,667,063.30 is: 598,000,594.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,436,701.70 : 1,007,155,052.55 = 398,667,063.30 : x
  2. Step 2: Convert to fraction form
    671,436,701.70/1,007,155,052.55 = 398,667,063.30/x
  3. Step 3: Cross multiply
    671,436,701.70x = 1,007,155,052.55 × 398,667,063.30
  4. Step 4: Simplify right side
    671,436,701.70x = 401,519,547,087,865,664
  5. Step 5: Solve for x
    x = 401,519,547,087,865,664/671,436,701.70
  6. Step 6: Final answer
    x = 598,000,594.95

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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.