Home / 1,182,578,810.16-1,631,969,327.04-653,978,358.60

Finding the Fourth Proportional to 1,182,578,810.16, 1,631,969,327.04 and 653,978,358.60

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Solution

The fourth proportional to 1,182,578,810.16, 1,631,969,327.04 and 653,978,358.60 is: 902,495,979.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,578,810.16 : 1,631,969,327.04 = 653,978,358.60 : x
  2. Step 2: Convert to fraction form
    1,182,578,810.16/1,631,969,327.04 = 653,978,358.60/x
  3. Step 3: Cross multiply
    1,182,578,810.16x = 1,631,969,327.04 × 653,978,358.60
  4. Step 4: Simplify right side
    1,182,578,810.16x = 1,067,272,621,783,165,824
  5. Step 5: Solve for x
    x = 1,067,272,621,783,165,824/1,182,578,810.16
  6. Step 6: Final answer
    x = 902,495,979.65

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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.