Home / 458,496,006.40-687,744,009.60-295,237,331.20

Finding the Fourth Proportional to 458,496,006.40, 687,744,009.60 and 295,237,331.20

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Solution

The fourth proportional to 458,496,006.40, 687,744,009.60 and 295,237,331.20 is: 442,855,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,496,006.40 : 687,744,009.60 = 295,237,331.20 : x
  2. Step 2: Convert to fraction form
    458,496,006.40/687,744,009.60 = 295,237,331.20/x
  3. Step 3: Cross multiply
    458,496,006.40x = 687,744,009.60 × 295,237,331.20
  4. Step 4: Simplify right side
    458,496,006.40x = 203,047,705,943,091,168
  5. Step 5: Solve for x
    x = 203,047,705,943,091,168/458,496,006.40
  6. Step 6: Final answer
    x = 442,855,996.80

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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.