Home / 2,784,610,087.11-3,842,871,563.61-1,531,663,527.87

Finding the Fourth Proportional to 2,784,610,087.11, 3,842,871,563.61 and 1,531,663,527.87

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Solution

The fourth proportional to 2,784,610,087.11, 3,842,871,563.61 and 1,531,663,527.87 is: 2,113,755,977.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784,610,087.11 : 3,842,871,563.61 = 1,531,663,527.87 : x
  2. Step 2: Convert to fraction form
    2,784,610,087.11/3,842,871,563.61 = 1,531,663,527.87/x
  3. Step 3: Cross multiply
    2,784,610,087.11x = 3,842,871,563.61 × 1,531,663,527.87
  4. Step 4: Simplify right side
    2,784,610,087.11x = 5,885,986,216,270,195,712
  5. Step 5: Solve for x
    x = 5,885,986,216,270,195,712/2,784,610,087.11
  6. Step 6: Final answer
    x = 2,113,755,977.37

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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.