Home / 385,432,392,788.16-577,789,135,598.88-130,284,250,461.60

Finding the Fourth Proportional to 385,432,392,788.16, 577,789,135,598.88 and 130,284,250,461.60

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Solution

The fourth proportional to 385,432,392,788.16, 577,789,135,598.88 and 130,284,250,461.60 is: 195,304,872,825.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,432,392,788.16 : 577,789,135,598.88 = 130,284,250,461.60 : x
  2. Step 2: Convert to fraction form
    385,432,392,788.16/577,789,135,598.88 = 130,284,250,461.60/x
  3. Step 3: Cross multiply
    385,432,392,788.16x = 577,789,135,598.88 × 130,284,250,461.60
  4. Step 4: Simplify right side
    385,432,392,788.16x = 75,276,824,456,355,851,010,048
  5. Step 5: Solve for x
    x = 75,276,824,456,355,851,010,048/385,432,392,788.16
  6. Step 6: Final answer
    x = 195,304,872,825.59

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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.