Home / 611,809,268.22-917,060,521.94-348,927,771.36

Finding the Fourth Proportional to 611,809,268.22, 917,060,521.94 and 348,927,771.36

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Solution

The fourth proportional to 611,809,268.22, 917,060,521.94 and 348,927,771.36 is: 523,019,020.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,809,268.22 : 917,060,521.94 = 348,927,771.36 : x
  2. Step 2: Convert to fraction form
    611,809,268.22/917,060,521.94 = 348,927,771.36/x
  3. Step 3: Cross multiply
    611,809,268.22x = 917,060,521.94 × 348,927,771.36
  4. Step 4: Simplify right side
    611,809,268.22x = 319,987,884,121,017,920
  5. Step 5: Solve for x
    x = 319,987,884,121,017,920/611,809,268.22
  6. Step 6: Final answer
    x = 523,019,020.38

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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.