Home / 545,628,505.60-819,025,386.24-234,889,920

Finding the Fourth Proportional to 545,628,505.60, 819,025,386.24 and 234,889,920

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Solution

The fourth proportional to 545,628,505.60, 819,025,386.24 and 234,889,920 is: 352,585,697.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,628,505.60 : 819,025,386.24 = 234,889,920 : x
  2. Step 2: Convert to fraction form
    545,628,505.60/819,025,386.24 = 234,889,920/x
  3. Step 3: Cross multiply
    545,628,505.60x = 819,025,386.24 × 234,889,920
  4. Step 4: Simplify right side
    545,628,505.60x = 192,380,807,451,882,688
  5. Step 5: Solve for x
    x = 192,380,807,451,882,688/545,628,505.60
  6. Step 6: Final answer
    x = 352,585,697.92

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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.