Home / 434,022,667.40-651,034,001.10-161,337,009.80

Finding the Fourth Proportional to 434,022,667.40, 651,034,001.10 and 161,337,009.80

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Solution

The fourth proportional to 434,022,667.40, 651,034,001.10 and 161,337,009.80 is: 242,005,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,022,667.40 : 651,034,001.10 = 161,337,009.80 : x
  2. Step 2: Convert to fraction form
    434,022,667.40/651,034,001.10 = 161,337,009.80/x
  3. Step 3: Cross multiply
    434,022,667.40x = 651,034,001.10 × 161,337,009.80
  4. Step 4: Simplify right side
    434,022,667.40x = 105,035,879,015,603,920
  5. Step 5: Solve for x
    x = 105,035,879,015,603,920/434,022,667.40
  6. Step 6: Final answer
    x = 242,005,514.70

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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.