Home / 360,088,949,039.12-540,183,093,156.12-209,066,374,065.68

Finding the Fourth Proportional to 360,088,949,039.12, 540,183,093,156.12 and 209,066,374,065.68

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Solution

The fourth proportional to 360,088,949,039.12, 540,183,093,156.12 and 209,066,374,065.68 is: 313,628,399,091.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,088,949,039.12 : 540,183,093,156.12 = 209,066,374,065.68 : x
  2. Step 2: Convert to fraction form
    360,088,949,039.12/540,183,093,156.12 = 209,066,374,065.68/x
  3. Step 3: Cross multiply
    360,088,949,039.12x = 540,183,093,156.12 × 209,066,374,065.68
  4. Step 4: Simplify right side
    360,088,949,039.12x = 112,934,120,617,733,437,521,920
  5. Step 5: Solve for x
    x = 112,934,120,617,733,437,521,920/360,088,949,039.12
  6. Step 6: Final answer
    x = 313,628,399,091.65

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1.5x scale

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.