Home / 1,567,813,271.39-2,163,499,983.81-862,830,508.09

Finding the Fourth Proportional to 1,567,813,271.39, 2,163,499,983.81 and 862,830,508.09

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Solution

The fourth proportional to 1,567,813,271.39, 2,163,499,983.81 and 862,830,508.09 is: 1,190,660,791.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,813,271.39 : 2,163,499,983.81 = 862,830,508.09 : x
  2. Step 2: Convert to fraction form
    1,567,813,271.39/2,163,499,983.81 = 862,830,508.09/x
  3. Step 3: Cross multiply
    1,567,813,271.39x = 2,163,499,983.81 × 862,830,508.09
  4. Step 4: Simplify right side
    1,567,813,271.39x = 1,866,733,790,268,357,376
  5. Step 5: Solve for x
    x = 1,866,733,790,268,357,376/1,567,813,271.39
  6. Step 6: Final answer
    x = 1,190,660,791.26

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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.