Home / 256,646,415.60-384,969,623.40-154,609,743.60

Finding the Fourth Proportional to 256,646,415.60, 384,969,623.40 and 154,609,743.60

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Solution

The fourth proportional to 256,646,415.60, 384,969,623.40 and 154,609,743.60 is: 231,914,615.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,646,415.60 : 384,969,623.40 = 154,609,743.60 : x
  2. Step 2: Convert to fraction form
    256,646,415.60/384,969,623.40 = 154,609,743.60/x
  3. Step 3: Cross multiply
    256,646,415.60x = 384,969,623.40 × 154,609,743.60
  4. Step 4: Simplify right side
    256,646,415.60x = 59,520,054,767,662,552
  5. Step 5: Solve for x
    x = 59,520,054,767,662,552/256,646,415.60
  6. Step 6: Final answer
    x = 231,914,615.40

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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.