Home / 331,780,534.40-497,670,801.60-195,395,715.20

Finding the Fourth Proportional to 331,780,534.40, 497,670,801.60 and 195,395,715.20

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Solution

The fourth proportional to 331,780,534.40, 497,670,801.60 and 195,395,715.20 is: 293,093,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,780,534.40 : 497,670,801.60 = 195,395,715.20 : x
  2. Step 2: Convert to fraction form
    331,780,534.40/497,670,801.60 = 195,395,715.20/x
  3. Step 3: Cross multiply
    331,780,534.40x = 497,670,801.60 × 195,395,715.20
  4. Step 4: Simplify right side
    331,780,534.40x = 97,242,742,212,789,296
  5. Step 5: Solve for x
    x = 97,242,742,212,789,296/331,780,534.40
  6. Step 6: Final answer
    x = 293,093,572.80

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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.