Home / 528,696,548.60-729,620,927.46-317,037,839.32

Finding the Fourth Proportional to 528,696,548.60, 729,620,927.46 and 317,037,839.32

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Solution

The fourth proportional to 528,696,548.60, 729,620,927.46 and 317,037,839.32 is: 437,524,025.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,696,548.60 : 729,620,927.46 = 317,037,839.32 : x
  2. Step 2: Convert to fraction form
    528,696,548.60/729,620,927.46 = 317,037,839.32/x
  3. Step 3: Cross multiply
    528,696,548.60x = 729,620,927.46 × 317,037,839.32
  4. Step 4: Simplify right side
    528,696,548.60x = 231,317,442,364,572,864
  5. Step 5: Solve for x
    x = 231,317,442,364,572,864/528,696,548.60
  6. Step 6: Final answer
    x = 437,524,025.79

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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.