Home / 470,506,503.60-705,759,755.40-432,883,105.20

Finding the Fourth Proportional to 470,506,503.60, 705,759,755.40 and 432,883,105.20

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Solution

The fourth proportional to 470,506,503.60, 705,759,755.40 and 432,883,105.20 is: 649,324,657.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,506,503.60 : 705,759,755.40 = 432,883,105.20 : x
  2. Step 2: Convert to fraction form
    470,506,503.60/705,759,755.40 = 432,883,105.20/x
  3. Step 3: Cross multiply
    470,506,503.60x = 705,759,755.40 × 432,883,105.20
  4. Step 4: Simplify right side
    470,506,503.60x = 305,511,474,442,744,448
  5. Step 5: Solve for x
    x = 305,511,474,442,744,448/470,506,503.60
  6. Step 6: Final answer
    x = 649,324,657.80

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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.