Home / 808,148,874.32-1,212,266,585.40-255,409,254.80

Finding the Fourth Proportional to 808,148,874.32, 1,212,266,585.40 and 255,409,254.80

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Solution

The fourth proportional to 808,148,874.32, 1,212,266,585.40 and 255,409,254.80 is: 383,127,558.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,148,874.32 : 1,212,266,585.40 = 255,409,254.80 : x
  2. Step 2: Convert to fraction form
    808,148,874.32/1,212,266,585.40 = 255,409,254.80/x
  3. Step 3: Cross multiply
    808,148,874.32x = 1,212,266,585.40 × 255,409,254.80
  4. Step 4: Simplify right side
    808,148,874.32x = 309,624,105,195,954,624
  5. Step 5: Solve for x
    x = 309,624,105,195,954,624/808,148,874.32
  6. Step 6: Final answer
    x = 383,127,558.59

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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.