Home / 387,230,530.60-580,845,795.90-299,554,575.40

Finding the Fourth Proportional to 387,230,530.60, 580,845,795.90 and 299,554,575.40

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Solution

The fourth proportional to 387,230,530.60, 580,845,795.90 and 299,554,575.40 is: 449,331,863.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,230,530.60 : 580,845,795.90 = 299,554,575.40 : x
  2. Step 2: Convert to fraction form
    387,230,530.60/580,845,795.90 = 299,554,575.40/x
  3. Step 3: Cross multiply
    387,230,530.60x = 580,845,795.90 × 299,554,575.40
  4. Step 4: Simplify right side
    387,230,530.60x = 173,995,015,763,699,552
  5. Step 5: Solve for x
    x = 173,995,015,763,699,552/387,230,530.60
  6. Step 6: Final answer
    x = 449,331,863.10

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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.