Home / 611,827,394.63-917,087,599.89-348,945,970.55

Finding the Fourth Proportional to 611,827,394.63, 917,087,599.89 and 348,945,970.55

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Solution

The fourth proportional to 611,827,394.63, 917,087,599.89 and 348,945,970.55 is: 523,046,247.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,827,394.63 : 917,087,599.89 = 348,945,970.55 : x
  2. Step 2: Convert to fraction form
    611,827,394.63/917,087,599.89 = 348,945,970.55/x
  3. Step 3: Cross multiply
    611,827,394.63x = 917,087,599.89 × 348,945,970.55
  4. Step 4: Simplify right side
    611,827,394.63x = 320,014,022,622,986,112
  5. Step 5: Solve for x
    x = 320,014,022,622,986,112/611,827,394.63
  6. Step 6: Final answer
    x = 523,046,247.08

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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.