Home / 727,585,892.80-1,091,388,170.40-242,911,700.80

Finding the Fourth Proportional to 727,585,892.80, 1,091,388,170.40 and 242,911,700.80

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Solution

The fourth proportional to 727,585,892.80, 1,091,388,170.40 and 242,911,700.80 is: 364,370,666.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,585,892.80 : 1,091,388,170.40 = 242,911,700.80 : x
  2. Step 2: Convert to fraction form
    727,585,892.80/1,091,388,170.40 = 242,911,700.80/x
  3. Step 3: Cross multiply
    727,585,892.80x = 1,091,388,170.40 × 242,911,700.80
  4. Step 4: Simplify right side
    727,585,892.80x = 265,110,956,704,864,256
  5. Step 5: Solve for x
    x = 265,110,956,704,864,256/727,585,892.80
  6. Step 6: Final answer
    x = 364,370,666.51

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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.