Home / 1,257,986,404.80-1,886,979,607.20-1,036,056,643.20

Finding the Fourth Proportional to 1,257,986,404.80, 1,886,979,607.20 and 1,036,056,643.20

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Solution

The fourth proportional to 1,257,986,404.80, 1,886,979,607.20 and 1,036,056,643.20 is: 1,554,084,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,986,404.80 : 1,886,979,607.20 = 1,036,056,643.20 : x
  2. Step 2: Convert to fraction form
    1,257,986,404.80/1,886,979,607.20 = 1,036,056,643.20/x
  3. Step 3: Cross multiply
    1,257,986,404.80x = 1,886,979,607.20 × 1,036,056,643.20
  4. Step 4: Simplify right side
    1,257,986,404.80x = 1,955,017,757,622,486,784
  5. Step 5: Solve for x
    x = 1,955,017,757,622,486,784/1,257,986,404.80
  6. Step 6: Final answer
    x = 1,554,084,964.80

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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.