Home / 704,928,720.28-972,827,887.77-422,717,107.84

Finding the Fourth Proportional to 704,928,720.28, 972,827,887.77 and 422,717,107.84

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Solution

The fourth proportional to 704,928,720.28, 972,827,887.77 and 422,717,107.84 is: 583,365,352.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,928,720.28 : 972,827,887.77 = 422,717,107.84 : x
  2. Step 2: Convert to fraction form
    704,928,720.28/972,827,887.77 = 422,717,107.84/x
  3. Step 3: Cross multiply
    704,928,720.28x = 972,827,887.77 × 422,717,107.84
  4. Step 4: Simplify right side
    704,928,720.28x = 411,230,991,144,230,464
  5. Step 5: Solve for x
    x = 411,230,991,144,230,464/704,928,720.28
  6. Step 6: Final answer
    x = 583,365,352.15

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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.