Home / 256,603,977.60-384,055,660.80-236,196,643.20

Finding the Fourth Proportional to 256,603,977.60, 384,055,660.80 and 236,196,643.20

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Solution

The fourth proportional to 256,603,977.60, 384,055,660.80 and 236,196,643.20 is: 353,512,282.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,603,977.60 : 384,055,660.80 = 236,196,643.20 : x
  2. Step 2: Convert to fraction form
    256,603,977.60/384,055,660.80 = 236,196,643.20/x
  3. Step 3: Cross multiply
    256,603,977.60x = 384,055,660.80 × 236,196,643.20
  4. Step 4: Simplify right side
    256,603,977.60x = 90,712,657,882,917,824
  5. Step 5: Solve for x
    x = 90,712,657,882,917,824/256,603,977.60
  6. Step 6: Final answer
    x = 353,512,282.75

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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.