Home / 612,036,083.70-918,054,125.55-367,148,070.90

Finding the Fourth Proportional to 612,036,083.70, 918,054,125.55 and 367,148,070.90

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Solution

The fourth proportional to 612,036,083.70, 918,054,125.55 and 367,148,070.90 is: 550,722,106.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,036,083.70 : 918,054,125.55 = 367,148,070.90 : x
  2. Step 2: Convert to fraction form
    612,036,083.70/918,054,125.55 = 367,148,070.90/x
  3. Step 3: Cross multiply
    612,036,083.70x = 918,054,125.55 × 367,148,070.90
  4. Step 4: Simplify right side
    612,036,083.70x = 337,061,801,177,468,864
  5. Step 5: Solve for x
    x = 337,061,801,177,468,864/612,036,083.70
  6. Step 6: Final answer
    x = 550,722,106.35

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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.