Home / 540,634,683.18-746,091,601.76-305,680,299.12

Finding the Fourth Proportional to 540,634,683.18, 746,091,601.76 and 305,680,299.12

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Solution

The fourth proportional to 540,634,683.18, 746,091,601.76 and 305,680,299.12 is: 421,847,711.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,634,683.18 : 746,091,601.76 = 305,680,299.12 : x
  2. Step 2: Convert to fraction form
    540,634,683.18/746,091,601.76 = 305,680,299.12/x
  3. Step 3: Cross multiply
    540,634,683.18x = 746,091,601.76 × 305,680,299.12
  4. Step 4: Simplify right side
    540,634,683.18x = 228,065,503,996,916,704
  5. Step 5: Solve for x
    x = 228,065,503,996,916,704/540,634,683.18
  6. Step 6: Final answer
    x = 421,847,711.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.