Home / 1,182,578,811.16-1,631,969,328.42-653,978,359.60

Finding the Fourth Proportional to 1,182,578,811.16, 1,631,969,328.42 and 653,978,359.60

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Solution

The fourth proportional to 1,182,578,811.16, 1,631,969,328.42 and 653,978,359.60 is: 902,495,981.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,578,811.16 : 1,631,969,328.42 = 653,978,359.60 : x
  2. Step 2: Convert to fraction form
    1,182,578,811.16/1,631,969,328.42 = 653,978,359.60/x
  3. Step 3: Cross multiply
    1,182,578,811.16x = 1,631,969,328.42 × 653,978,359.60
  4. Step 4: Simplify right side
    1,182,578,811.16x = 1,067,272,624,317,625,344
  5. Step 5: Solve for x
    x = 1,067,272,624,317,625,344/1,182,578,811.16
  6. Step 6: Final answer
    x = 902,495,981.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.