Home / 521,086,546.51-719,111,928.80-282,941,767.48

Finding the Fourth Proportional to 521,086,546.51, 719,111,928.80 and 282,941,767.48

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Solution

The fourth proportional to 521,086,546.51, 719,111,928.80 and 282,941,767.48 is: 390,466,423.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,086,546.51 : 719,111,928.80 = 282,941,767.48 : x
  2. Step 2: Convert to fraction form
    521,086,546.51/719,111,928.80 = 282,941,767.48/x
  3. Step 3: Cross multiply
    521,086,546.51x = 719,111,928.80 × 282,941,767.48
  4. Step 4: Simplify right side
    521,086,546.51x = 203,466,800,150,623,904
  5. Step 5: Solve for x
    x = 203,466,800,150,623,904/521,086,546.51
  6. Step 6: Final answer
    x = 390,466,423.50

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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.