Home / 808,148,875.32-1,212,266,586.90-255,409,255.80

Finding the Fourth Proportional to 808,148,875.32, 1,212,266,586.90 and 255,409,255.80

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Solution

The fourth proportional to 808,148,875.32, 1,212,266,586.90 and 255,409,255.80 is: 383,127,560.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,148,875.32 : 1,212,266,586.90 = 255,409,255.80 : x
  2. Step 2: Convert to fraction form
    808,148,875.32/1,212,266,586.90 = 255,409,255.80/x
  3. Step 3: Cross multiply
    808,148,875.32x = 1,212,266,586.90 × 255,409,255.80
  4. Step 4: Simplify right side
    808,148,875.32x = 309,624,106,791,335,040
  5. Step 5: Solve for x
    x = 309,624,106,791,335,040/808,148,875.32
  6. Step 6: Final answer
    x = 383,127,560.09

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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.