Home / 421,791,643.26-582,065,967.06-236,159,301.96

Finding the Fourth Proportional to 421,791,643.26, 582,065,967.06 and 236,159,301.96

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Solution

The fourth proportional to 421,791,643.26, 582,065,967.06 and 236,159,301.96 is: 325,896,197.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,791,643.26 : 582,065,967.06 = 236,159,301.96 : x
  2. Step 2: Convert to fraction form
    421,791,643.26/582,065,967.06 = 236,159,301.96/x
  3. Step 3: Cross multiply
    421,791,643.26x = 582,065,967.06 × 236,159,301.96
  4. Step 4: Simplify right side
    421,791,643.26x = 137,460,292,475,561,952
  5. Step 5: Solve for x
    x = 137,460,292,475,561,952/421,791,643.26
  6. Step 6: Final answer
    x = 325,896,197.03

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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.