Home / 403,056,909,186.71-556,215,228,513.73-220,154,127,400.30

Finding the Fourth Proportional to 403,056,909,186.71, 556,215,228,513.73 and 220,154,127,400.30

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Solution

The fourth proportional to 403,056,909,186.71, 556,215,228,513.73 and 220,154,127,400.30 is: 303,810,889,949.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,056,909,186.71 : 556,215,228,513.73 = 220,154,127,400.30 : x
  2. Step 2: Convert to fraction form
    403,056,909,186.71/556,215,228,513.73 = 220,154,127,400.30/x
  3. Step 3: Cross multiply
    403,056,909,186.71x = 556,215,228,513.73 × 220,154,127,400.30
  4. Step 4: Simplify right side
    403,056,909,186.71x = 122,453,078,280,198,688,866,304
  5. Step 5: Solve for x
    x = 122,453,078,280,198,688,866,304/403,056,909,186.71
  6. Step 6: Final answer
    x = 303,810,889,949.23

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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.