Home / 674,375,320.80-1,012,318,808.40-521,698,226.40

Finding the Fourth Proportional to 674,375,320.80, 1,012,318,808.40 and 521,698,226.40

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Solution

The fourth proportional to 674,375,320.80, 1,012,318,808.40 and 521,698,226.40 is: 783,132,049.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,375,320.80 : 1,012,318,808.40 = 521,698,226.40 : x
  2. Step 2: Convert to fraction form
    674,375,320.80/1,012,318,808.40 = 521,698,226.40/x
  3. Step 3: Cross multiply
    674,375,320.80x = 1,012,318,808.40 × 521,698,226.40
  4. Step 4: Simplify right side
    674,375,320.80x = 528,124,926,893,641,408
  5. Step 5: Solve for x
    x = 528,124,926,893,641,408/674,375,320.80
  6. Step 6: Final answer
    x = 783,132,049.18

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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.