Home / 1,051,904,250.56-1,578,071,576.64-361,721,869.76

Finding the Fourth Proportional to 1,051,904,250.56, 1,578,071,576.64 and 361,721,869.76

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Solution

The fourth proportional to 1,051,904,250.56, 1,578,071,576.64 and 361,721,869.76 is: 542,656,806.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,904,250.56 : 1,578,071,576.64 = 361,721,869.76 : x
  2. Step 2: Convert to fraction form
    1,051,904,250.56/1,578,071,576.64 = 361,721,869.76/x
  3. Step 3: Cross multiply
    1,051,904,250.56x = 1,578,071,576.64 × 361,721,869.76
  4. Step 4: Simplify right side
    1,051,904,250.56x = 570,823,001,317,331,968
  5. Step 5: Solve for x
    x = 570,823,001,317,331,968/1,051,904,250.56
  6. Step 6: Final answer
    x = 542,656,806.47

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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.