Home / 458,499,208.40-687,748,812.60-295,240,533.20

Finding the Fourth Proportional to 458,499,208.40, 687,748,812.60 and 295,240,533.20

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Solution

The fourth proportional to 458,499,208.40, 687,748,812.60 and 295,240,533.20 is: 442,860,799.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,499,208.40 : 687,748,812.60 = 295,240,533.20 : x
  2. Step 2: Convert to fraction form
    458,499,208.40/687,748,812.60 = 295,240,533.20/x
  3. Step 3: Cross multiply
    458,499,208.40x = 687,748,812.60 × 295,240,533.20
  4. Step 4: Simplify right side
    458,499,208.40x = 203,051,326,139,690,880
  5. Step 5: Solve for x
    x = 203,051,326,139,690,880/458,499,208.40
  6. Step 6: Final answer
    x = 442,860,799.80

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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.