Home / 611,809,267.72-917,060,521.18-348,927,770.85

Finding the Fourth Proportional to 611,809,267.72, 917,060,521.18 and 348,927,770.85

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Solution

The fourth proportional to 611,809,267.72, 917,060,521.18 and 348,927,770.85 is: 523,019,019.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,809,267.72 : 917,060,521.18 = 348,927,770.85 : x
  2. Step 2: Convert to fraction form
    611,809,267.72/917,060,521.18 = 348,927,770.85/x
  3. Step 3: Cross multiply
    611,809,267.72x = 917,060,521.18 × 348,927,770.85
  4. Step 4: Simplify right side
    611,809,267.72x = 319,987,883,389,876,608
  5. Step 5: Solve for x
    x = 319,987,883,389,876,608/611,809,267.72
  6. Step 6: Final answer
    x = 523,019,019.61

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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.