Home / 255,408,561,187.10-352,297,737,854.25-163,812,028,895.64

Finding the Fourth Proportional to 255,408,561,187.10, 352,297,737,854.25 and 163,812,028,895.64

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Solution

The fourth proportional to 255,408,561,187.10, 352,297,737,854.25 and 163,812,028,895.64 is: 225,954,082,921.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,408,561,187.10 : 352,297,737,854.25 = 163,812,028,895.64 : x
  2. Step 2: Convert to fraction form
    255,408,561,187.10/352,297,737,854.25 = 163,812,028,895.64/x
  3. Step 3: Cross multiply
    255,408,561,187.10x = 352,297,737,854.25 × 163,812,028,895.64
  4. Step 4: Simplify right side
    255,408,561,187.10x = 57,710,607,213,249,007,976,448
  5. Step 5: Solve for x
    x = 57,710,607,213,249,007,976,448/255,408,561,187.10
  6. Step 6: Final answer
    x = 225,954,082,921.18

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1.5x scale

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.