Home / 385,244,928,008.80-577,867,392,013.20-251,352,407,010.40

Finding the Fourth Proportional to 385,244,928,008.80, 577,867,392,013.20 and 251,352,407,010.40

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Solution

The fourth proportional to 385,244,928,008.80, 577,867,392,013.20 and 251,352,407,010.40 is: 377,028,610,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,244,928,008.80 : 577,867,392,013.20 = 251,352,407,010.40 : x
  2. Step 2: Convert to fraction form
    385,244,928,008.80/577,867,392,013.20 = 251,352,407,010.40/x
  3. Step 3: Cross multiply
    385,244,928,008.80x = 577,867,392,013.20 × 251,352,407,010.40
  4. Step 4: Simplify right side
    385,244,928,008.80x = 145,248,359,915,340,194,381,824
  5. Step 5: Solve for x
    x = 145,248,359,915,340,194,381,824/385,244,928,008.80
  6. Step 6: Final answer
    x = 377,028,610,515.60

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1.5x scale

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.