Home / 419,114,846.39-578,409,056.91-242,948,322.23

Finding the Fourth Proportional to 419,114,846.39, 578,409,056.91 and 242,948,322.23

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Solution

The fourth proportional to 419,114,846.39, 578,409,056.91 and 242,948,322.23 is: 335,286,404.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,114,846.39 : 578,409,056.91 = 242,948,322.23 : x
  2. Step 2: Convert to fraction form
    419,114,846.39/578,409,056.91 = 242,948,322.23/x
  3. Step 3: Cross multiply
    419,114,846.39x = 578,409,056.91 × 242,948,322.23
  4. Step 4: Simplify right side
    419,114,846.39x = 140,523,509,937,706,336
  5. Step 5: Solve for x
    x = 140,523,509,937,706,336/419,114,846.39
  6. Step 6: Final answer
    x = 335,286,404.55

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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.