Home / 759,081,877.88-1,138,778,113.84-261,027,708.36

Finding the Fourth Proportional to 759,081,877.88, 1,138,778,113.84 and 261,027,708.36

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Solution

The fourth proportional to 759,081,877.88, 1,138,778,113.84 and 261,027,708.36 is: 391,594,964.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,081,877.88 : 1,138,778,113.84 = 261,027,708.36 : x
  2. Step 2: Convert to fraction form
    759,081,877.88/1,138,778,113.84 = 261,027,708.36/x
  3. Step 3: Cross multiply
    759,081,877.88x = 1,138,778,113.84 × 261,027,708.36
  4. Step 4: Simplify right side
    759,081,877.88x = 297,252,641,386,178,368
  5. Step 5: Solve for x
    x = 297,252,641,386,178,368/759,081,877.88
  6. Step 6: Final answer
    x = 391,594,964.98

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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.