Home / 438,178,712.33-604,694,059.26-239,937,047.57

Finding the Fourth Proportional to 438,178,712.33, 604,694,059.26 and 239,937,047.57

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Solution

The fourth proportional to 438,178,712.33, 604,694,059.26 and 239,937,047.57 is: 331,117,197.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,178,712.33 : 604,694,059.26 = 239,937,047.57 : x
  2. Step 2: Convert to fraction form
    438,178,712.33/604,694,059.26 = 239,937,047.57/x
  3. Step 3: Cross multiply
    438,178,712.33x = 604,694,059.26 × 239,937,047.57
  4. Step 4: Simplify right side
    438,178,712.33x = 145,088,507,262,574,976
  5. Step 5: Solve for x
    x = 145,088,507,262,574,976/438,178,712.33
  6. Step 6: Final answer
    x = 331,117,197.57

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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.