Home / 323,511,135.60-485,266,703.40-291,262,508.40

Finding the Fourth Proportional to 323,511,135.60, 485,266,703.40 and 291,262,508.40

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Solution

The fourth proportional to 323,511,135.60, 485,266,703.40 and 291,262,508.40 is: 436,893,762.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,511,135.60 : 485,266,703.40 = 291,262,508.40 : x
  2. Step 2: Convert to fraction form
    323,511,135.60/485,266,703.40 = 291,262,508.40/x
  3. Step 3: Cross multiply
    323,511,135.60x = 485,266,703.40 × 291,262,508.40
  4. Step 4: Simplify right side
    323,511,135.60x = 141,339,997,275,282,784
  5. Step 5: Solve for x
    x = 141,339,997,275,282,784/323,511,135.60
  6. Step 6: Final answer
    x = 436,893,762.60

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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.