Home / 378,335,719.60-567,503,579.40-301,808,215.60

Finding the Fourth Proportional to 378,335,719.60, 567,503,579.40 and 301,808,215.60

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Solution

The fourth proportional to 378,335,719.60, 567,503,579.40 and 301,808,215.60 is: 452,712,323.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,335,719.60 : 567,503,579.40 = 301,808,215.60 : x
  2. Step 2: Convert to fraction form
    378,335,719.60/567,503,579.40 = 301,808,215.60/x
  3. Step 3: Cross multiply
    378,335,719.60x = 567,503,579.40 × 301,808,215.60
  4. Step 4: Simplify right side
    378,335,719.60x = 171,277,242,645,326,912
  5. Step 5: Solve for x
    x = 171,277,242,645,326,912/378,335,719.60
  6. Step 6: Final answer
    x = 452,712,323.40

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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.