Home / 679,787,536.44-1,015,811,465.28-510,422,193.48

Finding the Fourth Proportional to 679,787,536.44, 1,015,811,465.28 and 510,422,193.48

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Solution

The fourth proportional to 679,787,536.44, 1,015,811,465.28 and 510,422,193.48 is: 762,727,600.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,787,536.44 : 1,015,811,465.28 = 510,422,193.48 : x
  2. Step 2: Convert to fraction form
    679,787,536.44/1,015,811,465.28 = 510,422,193.48/x
  3. Step 3: Cross multiply
    679,787,536.44x = 1,015,811,465.28 × 510,422,193.48
  4. Step 4: Simplify right side
    679,787,536.44x = 518,492,716,270,350,464
  5. Step 5: Solve for x
    x = 518,492,716,270,350,464/679,787,536.44
  6. Step 6: Final answer
    x = 762,727,600.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.