Home / 458,365,448-687,567,145.44-135,249,320

Finding the Fourth Proportional to 458,365,448, 687,567,145.44 and 135,249,320

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Solution

The fourth proportional to 458,365,448, 687,567,145.44 and 135,249,320 is: 202,879,578.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,365,448 : 687,567,145.44 = 135,249,320 : x
  2. Step 2: Convert to fraction form
    458,365,448/687,567,145.44 = 135,249,320/x
  3. Step 3: Cross multiply
    458,365,448x = 687,567,145.44 × 135,249,320
  4. Step 4: Simplify right side
    458,365,448x = 92,992,988,875,101,104
  5. Step 5: Solve for x
    x = 92,992,988,875,101,104/458,365,448
  6. Step 6: Final answer
    x = 202,879,578.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.