Home / 388,446,223.96-536,049,533.13-212,230,435.60

Finding the Fourth Proportional to 388,446,223.96, 536,049,533.13 and 212,230,435.60

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Solution

The fourth proportional to 388,446,223.96, 536,049,533.13 and 212,230,435.60 is: 292,874,583.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,446,223.96 : 536,049,533.13 = 212,230,435.60 : x
  2. Step 2: Convert to fraction form
    388,446,223.96/536,049,533.13 = 212,230,435.60/x
  3. Step 3: Cross multiply
    388,446,223.96x = 536,049,533.13 × 212,230,435.60
  4. Step 4: Simplify right side
    388,446,223.96x = 113,766,025,919,356,528
  5. Step 5: Solve for x
    x = 113,766,025,919,356,528/388,446,223.96
  6. Step 6: Final answer
    x = 292,874,583.15

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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.