Home / 470,455,217.40-705,682,826.10-452,598,799.80

Finding the Fourth Proportional to 470,455,217.40, 705,682,826.10 and 452,598,799.80

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Solution

The fourth proportional to 470,455,217.40, 705,682,826.10 and 452,598,799.80 is: 678,898,199.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,455,217.40 : 705,682,826.10 = 452,598,799.80 : x
  2. Step 2: Convert to fraction form
    470,455,217.40/705,682,826.10 = 452,598,799.80/x
  3. Step 3: Cross multiply
    470,455,217.40x = 705,682,826.10 × 452,598,799.80
  4. Step 4: Simplify right side
    470,455,217.40x = 319,391,200,132,332,160
  5. Step 5: Solve for x
    x = 319,391,200,132,332,160/470,455,217.40
  6. Step 6: Final answer
    x = 678,898,199.70

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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.