Home / 409,451,727.60-614,177,591.40-118,328,347.80

Finding the Fourth Proportional to 409,451,727.60, 614,177,591.40 and 118,328,347.80

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Solution

The fourth proportional to 409,451,727.60, 614,177,591.40 and 118,328,347.80 is: 177,492,521.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,451,727.60 : 614,177,591.40 = 118,328,347.80 : x
  2. Step 2: Convert to fraction form
    409,451,727.60/614,177,591.40 = 118,328,347.80/x
  3. Step 3: Cross multiply
    409,451,727.60x = 614,177,591.40 × 118,328,347.80
  4. Step 4: Simplify right side
    409,451,727.60x = 72,674,619,646,145,488
  5. Step 5: Solve for x
    x = 72,674,619,646,145,488/409,451,727.60
  6. Step 6: Final answer
    x = 177,492,521.70

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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.