Home / 364,477,019.19-502,792,985.88-221,384,704.40

Finding the Fourth Proportional to 364,477,019.19, 502,792,985.88 and 221,384,704.40

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Solution

The fourth proportional to 364,477,019.19, 502,792,985.88 and 221,384,704.40 is: 305,398,339.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,477,019.19 : 502,792,985.88 = 221,384,704.40 : x
  2. Step 2: Convert to fraction form
    364,477,019.19/502,792,985.88 = 221,384,704.40/x
  3. Step 3: Cross multiply
    364,477,019.19x = 502,792,985.88 × 221,384,704.40
  4. Step 4: Simplify right side
    364,477,019.19x = 111,310,676,549,816,288
  5. Step 5: Solve for x
    x = 111,310,676,549,816,288/364,477,019.19
  6. Step 6: Final answer
    x = 305,398,339.78

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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.