Home / 331,961,209.40-497,605,890.90-195,576,390.20

Finding the Fourth Proportional to 331,961,209.40, 497,605,890.90 and 195,576,390.20

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Solution

The fourth proportional to 331,961,209.40, 497,605,890.90 and 195,576,390.20 is: 293,166,674.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,961,209.40 : 497,605,890.90 = 195,576,390.20 : x
  2. Step 2: Convert to fraction form
    331,961,209.40/497,605,890.90 = 195,576,390.20/x
  3. Step 3: Cross multiply
    331,961,209.40x = 497,605,890.90 × 195,576,390.20
  4. Step 4: Simplify right side
    331,961,209.40x = 97,319,963,884,477,024
  5. Step 5: Solve for x
    x = 97,319,963,884,477,024/331,961,209.40
  6. Step 6: Final answer
    x = 293,166,674.69

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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.