Home / 1,129,387,532.22-1,558,601,651.16-627,594,442.20

Finding the Fourth Proportional to 1,129,387,532.22, 1,558,601,651.16 and 627,594,442.20

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Solution

The fourth proportional to 1,129,387,532.22, 1,558,601,651.16 and 627,594,442.20 is: 866,106,368.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,387,532.22 : 1,558,601,651.16 = 627,594,442.20 : x
  2. Step 2: Convert to fraction form
    1,129,387,532.22/1,558,601,651.16 = 627,594,442.20/x
  3. Step 3: Cross multiply
    1,129,387,532.22x = 1,558,601,651.16 × 627,594,442.20
  4. Step 4: Simplify right side
    1,129,387,532.22x = 978,169,733,871,759,360
  5. Step 5: Solve for x
    x = 978,169,733,871,759,360/1,129,387,532.22
  6. Step 6: Final answer
    x = 866,106,368.24

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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.