Home / 331,959,962.40-497,604,020.40-195,575,143.20

Finding the Fourth Proportional to 331,959,962.40, 497,604,020.40 and 195,575,143.20

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Solution

The fourth proportional to 331,959,962.40, 497,604,020.40 and 195,575,143.20 is: 293,164,804.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,959,962.40 : 497,604,020.40 = 195,575,143.20 : x
  2. Step 2: Convert to fraction form
    331,959,962.40/497,604,020.40 = 195,575,143.20/x
  3. Step 3: Cross multiply
    331,959,962.40x = 497,604,020.40 × 195,575,143.20
  4. Step 4: Simplify right side
    331,959,962.40x = 97,318,977,546,625,712
  5. Step 5: Solve for x
    x = 97,318,977,546,625,712/331,959,962.40
  6. Step 6: Final answer
    x = 293,164,804.70

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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.