Home / 759,081,866.86-1,138,778,097.35-261,027,697.36

Finding the Fourth Proportional to 759,081,866.86, 1,138,778,097.35 and 261,027,697.36

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Solution

The fourth proportional to 759,081,866.86, 1,138,778,097.35 and 261,027,697.36 is: 391,594,948.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,081,866.86 : 1,138,778,097.35 = 261,027,697.36 : x
  2. Step 2: Convert to fraction form
    759,081,866.86/1,138,778,097.35 = 261,027,697.36/x
  3. Step 3: Cross multiply
    759,081,866.86x = 1,138,778,097.35 × 261,027,697.36
  4. Step 4: Simplify right side
    759,081,866.86x = 297,252,624,555,272,384
  5. Step 5: Solve for x
    x = 297,252,624,555,272,384/759,081,866.86
  6. Step 6: Final answer
    x = 391,594,948.49

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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.