Home / 720,016,020.88-1,080,016,158.12-174,757,554.88

Finding the Fourth Proportional to 720,016,020.88, 1,080,016,158.12 and 174,757,554.88

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Solution

The fourth proportional to 720,016,020.88, 1,080,016,158.12 and 174,757,554.88 is: 262,134,421.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,016,020.88 : 1,080,016,158.12 = 174,757,554.88 : x
  2. Step 2: Convert to fraction form
    720,016,020.88/1,080,016,158.12 = 174,757,554.88/x
  3. Step 3: Cross multiply
    720,016,020.88x = 1,080,016,158.12 × 174,757,554.88
  4. Step 4: Simplify right side
    720,016,020.88x = 188,740,983,020,578,528
  5. Step 5: Solve for x
    x = 188,740,983,020,578,528/720,016,020.88
  6. Step 6: Final answer
    x = 262,134,421.38

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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.