Home / 611,760,643.20-917,513,438.40-223,766,236.80

Finding the Fourth Proportional to 611,760,643.20, 917,513,438.40 and 223,766,236.80

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Solution

The fourth proportional to 611,760,643.20, 917,513,438.40 and 223,766,236.80 is: 335,602,709.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,760,643.20 : 917,513,438.40 = 223,766,236.80 : x
  2. Step 2: Convert to fraction form
    611,760,643.20/917,513,438.40 = 223,766,236.80/x
  3. Step 3: Cross multiply
    611,760,643.20x = 917,513,438.40 × 223,766,236.80
  4. Step 4: Simplify right side
    611,760,643.20x = 205,308,529,324,196,608
  5. Step 5: Solve for x
    x = 205,308,529,324,196,608/611,760,643.20
  6. Step 6: Final answer
    x = 335,602,709.34

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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.