Home / 759,081,979.89-1,138,778,267.00-261,027,810.18

Finding the Fourth Proportional to 759,081,979.89, 1,138,778,267.00 and 261,027,810.18

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Solution

The fourth proportional to 759,081,979.89, 1,138,778,267.00 and 261,027,810.18 is: 391,595,117.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,081,979.89 : 1,138,778,267.00 = 261,027,810.18 : x
  2. Step 2: Convert to fraction form
    759,081,979.89/1,138,778,267.00 = 261,027,810.18/x
  3. Step 3: Cross multiply
    759,081,979.89x = 1,138,778,267.00 × 261,027,810.18
  4. Step 4: Simplify right side
    759,081,979.89x = 297,252,797,314,280,192
  5. Step 5: Solve for x
    x = 297,252,797,314,280,192/759,081,979.89
  6. Step 6: Final answer
    x = 391,595,117.77

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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.