Home / 470,480,056.68-705,627,082.68-447,148,025.31

Finding the Fourth Proportional to 470,480,056.68, 705,627,082.68 and 447,148,025.31

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Solution

The fourth proportional to 470,480,056.68, 705,627,082.68 and 447,148,025.31 is: 670,633,647.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,480,056.68 : 705,627,082.68 = 447,148,025.31 : x
  2. Step 2: Convert to fraction form
    470,480,056.68/705,627,082.68 = 447,148,025.31/x
  3. Step 3: Cross multiply
    470,480,056.68x = 705,627,082.68 × 447,148,025.31
  4. Step 4: Simplify right side
    470,480,056.68x = 315,519,756,625,618,112
  5. Step 5: Solve for x
    x = 315,519,756,625,618,112/470,480,056.68
  6. Step 6: Final answer
    x = 670,633,647.79

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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.