Home / 387,226,025.60-580,839,038.40-299,550,070.40

Finding the Fourth Proportional to 387,226,025.60, 580,839,038.40 and 299,550,070.40

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Solution

The fourth proportional to 387,226,025.60, 580,839,038.40 and 299,550,070.40 is: 449,325,105.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,226,025.60 : 580,839,038.40 = 299,550,070.40 : x
  2. Step 2: Convert to fraction form
    387,226,025.60/580,839,038.40 = 299,550,070.40/x
  3. Step 3: Cross multiply
    387,226,025.60x = 580,839,038.40 × 299,550,070.40
  4. Step 4: Simplify right side
    387,226,025.60x = 173,990,374,843,788,288
  5. Step 5: Solve for x
    x = 173,990,374,843,788,288/387,226,025.60
  6. Step 6: Final answer
    x = 449,325,105.60

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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.