Home / 381,548,090.49-526,650,547.01-222,821,029.28

Finding the Fourth Proportional to 381,548,090.49, 526,650,547.01 and 222,821,029.28

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Solution

The fourth proportional to 381,548,090.49, 526,650,547.01 and 222,821,029.28 is: 307,559,701.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,548,090.49 : 526,650,547.01 = 222,821,029.28 : x
  2. Step 2: Convert to fraction form
    381,548,090.49/526,650,547.01 = 222,821,029.28/x
  3. Step 3: Cross multiply
    381,548,090.49x = 526,650,547.01 × 222,821,029.28
  4. Step 4: Simplify right side
    381,548,090.49x = 117,348,816,953,009,968
  5. Step 5: Solve for x
    x = 117,348,816,953,009,968/381,548,090.49
  6. Step 6: Final answer
    x = 307,559,701.85

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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.