Home / 528,418,028.64-791,420,280.72-252,263,499.36

Finding the Fourth Proportional to 528,418,028.64, 791,420,280.72 and 252,263,499.36

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Solution

The fourth proportional to 528,418,028.64, 791,420,280.72 and 252,263,499.36 is: 377,819,148.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,418,028.64 : 791,420,280.72 = 252,263,499.36 : x
  2. Step 2: Convert to fraction form
    528,418,028.64/791,420,280.72 = 252,263,499.36/x
  3. Step 3: Cross multiply
    528,418,028.64x = 791,420,280.72 × 252,263,499.36
  4. Step 4: Simplify right side
    528,418,028.64x = 199,646,449,478,900,768
  5. Step 5: Solve for x
    x = 199,646,449,478,900,768/528,418,028.64
  6. Step 6: Final answer
    x = 377,819,148.21

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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.