Home / 634,019,319.84-951,255,517.44-385,530,139.68

Finding the Fourth Proportional to 634,019,319.84, 951,255,517.44 and 385,530,139.68

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Solution

The fourth proportional to 634,019,319.84, 951,255,517.44 and 385,530,139.68 is: 578,432,961.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,019,319.84 : 951,255,517.44 = 385,530,139.68 : x
  2. Step 2: Convert to fraction form
    634,019,319.84/951,255,517.44 = 385,530,139.68/x
  3. Step 3: Cross multiply
    634,019,319.84x = 951,255,517.44 × 385,530,139.68
  4. Step 4: Simplify right side
    634,019,319.84x = 366,737,672,510,013,888
  5. Step 5: Solve for x
    x = 366,737,672,510,013,888/634,019,319.84
  6. Step 6: Final answer
    x = 578,432,961.01

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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.