Home / 651,726,123.40-977,589,185.10-191,710,793.80

Finding the Fourth Proportional to 651,726,123.40, 977,589,185.10 and 191,710,793.80

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Solution

The fourth proportional to 651,726,123.40, 977,589,185.10 and 191,710,793.80 is: 287,566,190.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,726,123.40 : 977,589,185.10 = 191,710,793.80 : x
  2. Step 2: Convert to fraction form
    651,726,123.40/977,589,185.10 = 191,710,793.80/x
  3. Step 3: Cross multiply
    651,726,123.40x = 977,589,185.10 × 191,710,793.80
  4. Step 4: Simplify right side
    651,726,123.40x = 187,414,398,685,816,160
  5. Step 5: Solve for x
    x = 187,414,398,685,816,160/651,726,123.40
  6. Step 6: Final answer
    x = 287,566,190.70

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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.