Home / 552,991,992.80-763,140,199.66-302,112,634.10

Finding the Fourth Proportional to 552,991,992.80, 763,140,199.66 and 302,112,634.10

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Solution

The fourth proportional to 552,991,992.80, 763,140,199.66 and 302,112,634.10 is: 416,921,580.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,991,992.80 : 763,140,199.66 = 302,112,634.10 : x
  2. Step 2: Convert to fraction form
    552,991,992.80/763,140,199.66 = 302,112,634.10/x
  3. Step 3: Cross multiply
    552,991,992.80x = 763,140,199.66 × 302,112,634.10
  4. Step 4: Simplify right side
    552,991,992.80x = 230,554,295,906,882,528
  5. Step 5: Solve for x
    x = 230,554,295,906,882,528/552,991,992.80
  6. Step 6: Final answer
    x = 416,921,580.98

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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.