Home / 764,956,363.60-1,147,434,545.40-247,439,117.80

Finding the Fourth Proportional to 764,956,363.60, 1,147,434,545.40 and 247,439,117.80

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Solution

The fourth proportional to 764,956,363.60, 1,147,434,545.40 and 247,439,117.80 is: 371,158,676.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,956,363.60 : 1,147,434,545.40 = 247,439,117.80 : x
  2. Step 2: Convert to fraction form
    764,956,363.60/1,147,434,545.40 = 247,439,117.80/x
  3. Step 3: Cross multiply
    764,956,363.60x = 1,147,434,545.40 × 247,439,117.80
  4. Step 4: Simplify right side
    764,956,363.60x = 283,920,191,647,020,096
  5. Step 5: Solve for x
    x = 283,920,191,647,020,096/764,956,363.60
  6. Step 6: Final answer
    x = 371,158,676.70

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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.