Home / 1,904,699,419.30-2,857,417,060.28-724,188,111.20

Finding the Fourth Proportional to 1,904,699,419.30, 2,857,417,060.28 and 724,188,111.20

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Solution

The fourth proportional to 1,904,699,419.30, 2,857,417,060.28 and 724,188,111.20 is: 1,086,422,058.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,699,419.30 : 2,857,417,060.28 = 724,188,111.20 : x
  2. Step 2: Convert to fraction form
    1,904,699,419.30/2,857,417,060.28 = 724,188,111.20/x
  3. Step 3: Cross multiply
    1,904,699,419.30x = 2,857,417,060.28 × 724,188,111.20
  4. Step 4: Simplify right side
    1,904,699,419.30x = 2,069,307,463,794,830,080
  5. Step 5: Solve for x
    x = 2,069,307,463,794,830,080/1,904,699,419.30
  6. Step 6: Final answer
    x = 1,086,422,058.42

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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.