Home / 392,578,030.51-541,750,653.63-213,963,527.59

Finding the Fourth Proportional to 392,578,030.51, 541,750,653.63 and 213,963,527.59

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Solution

The fourth proportional to 392,578,030.51, 541,750,653.63 and 213,963,527.59 is: 295,265,837.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,578,030.51 : 541,750,653.63 = 213,963,527.59 : x
  2. Step 2: Convert to fraction form
    392,578,030.51/541,750,653.63 = 213,963,527.59/x
  3. Step 3: Cross multiply
    392,578,030.51x = 541,750,653.63 × 213,963,527.59
  4. Step 4: Simplify right side
    392,578,030.51x = 115,914,880,924,863,040
  5. Step 5: Solve for x
    x = 115,914,880,924,863,040/392,578,030.51
  6. Step 6: Final answer
    x = 295,265,837.40

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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.