Home / 2,784,610,090.11-3,842,871,567.75-1,531,663,530.87

Finding the Fourth Proportional to 2,784,610,090.11, 3,842,871,567.75 and 1,531,663,530.87

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Solution

The fourth proportional to 2,784,610,090.11, 3,842,871,567.75 and 1,531,663,530.87 is: 2,113,755,981.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784,610,090.11 : 3,842,871,567.75 = 1,531,663,530.87 : x
  2. Step 2: Convert to fraction form
    2,784,610,090.11/3,842,871,567.75 = 1,531,663,530.87/x
  3. Step 3: Cross multiply
    2,784,610,090.11x = 3,842,871,567.75 × 1,531,663,530.87
  4. Step 4: Simplify right side
    2,784,610,090.11x = 5,885,986,234,139,896,832
  5. Step 5: Solve for x
    x = 5,885,986,234,139,896,832/2,784,610,090.11
  6. Step 6: Final answer
    x = 2,113,755,981.51

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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.