Home / 429,813,897.35-644,720,846.03-184,128,723.05

Finding the Fourth Proportional to 429,813,897.35, 644,720,846.03 and 184,128,723.05

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Solution

The fourth proportional to 429,813,897.35, 644,720,846.03 and 184,128,723.05 is: 276,193,084.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,813,897.35 : 644,720,846.03 = 184,128,723.05 : x
  2. Step 2: Convert to fraction form
    429,813,897.35/644,720,846.03 = 184,128,723.05/x
  3. Step 3: Cross multiply
    429,813,897.35x = 644,720,846.03 × 184,128,723.05
  4. Step 4: Simplify right side
    429,813,897.35x = 118,711,626,102,298,928
  5. Step 5: Solve for x
    x = 118,711,626,102,298,928/429,813,897.35
  6. Step 6: Final answer
    x = 276,193,084.58

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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.