Home / 882,657,021.43-1,218,066,685.01-511,594,286.41

Finding the Fourth Proportional to 882,657,021.43, 1,218,066,685.01 and 511,594,286.41

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Solution

The fourth proportional to 882,657,021.43, 1,218,066,685.01 and 511,594,286.41 is: 706,000,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,657,021.43 : 1,218,066,685.01 = 511,594,286.41 : x
  2. Step 2: Convert to fraction form
    882,657,021.43/1,218,066,685.01 = 511,594,286.41/x
  3. Step 3: Cross multiply
    882,657,021.43x = 1,218,066,685.01 × 511,594,286.41
  4. Step 4: Simplify right side
    882,657,021.43x = 623,155,956,517,485,184
  5. Step 5: Solve for x
    x = 623,155,956,517,485,184/882,657,021.43
  6. Step 6: Final answer
    x = 706,000,112.60

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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.