Home / 470,508,043.80-705,762,065.70-449,344,882.20

Finding the Fourth Proportional to 470,508,043.80, 705,762,065.70 and 449,344,882.20

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Solution

The fourth proportional to 470,508,043.80, 705,762,065.70 and 449,344,882.20 is: 674,017,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,508,043.80 : 705,762,065.70 = 449,344,882.20 : x
  2. Step 2: Convert to fraction form
    470,508,043.80/705,762,065.70 = 449,344,882.20/x
  3. Step 3: Cross multiply
    470,508,043.80x = 705,762,065.70 × 449,344,882.20
  4. Step 4: Simplify right side
    470,508,043.80x = 317,130,572,273,195,200
  5. Step 5: Solve for x
    x = 317,130,572,273,195,200/470,508,043.80
  6. Step 6: Final answer
    x = 674,017,323.30

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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.