Home / 1,265,136,557.40-1,898,928,976.50-610,548,387.48

Finding the Fourth Proportional to 1,265,136,557.40, 1,898,928,976.50 and 610,548,387.48

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Solution

The fourth proportional to 1,265,136,557.40, 1,898,928,976.50 and 610,548,387.48 is: 916,413,345.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,136,557.40 : 1,898,928,976.50 = 610,548,387.48 : x
  2. Step 2: Convert to fraction form
    1,265,136,557.40/1,898,928,976.50 = 610,548,387.48/x
  3. Step 3: Cross multiply
    1,265,136,557.40x = 1,898,928,976.50 × 610,548,387.48
  4. Step 4: Simplify right side
    1,265,136,557.40x = 1,159,388,024,541,121,792
  5. Step 5: Solve for x
    x = 1,159,388,024,541,121,792/1,265,136,557.40
  6. Step 6: Final answer
    x = 916,413,345.07

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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.