Home / 318,282,308.20-439,068,808.56-186,036,905.80

Finding the Fourth Proportional to 318,282,308.20, 439,068,808.56 and 186,036,905.80

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Solution

The fourth proportional to 318,282,308.20, 439,068,808.56 and 186,036,905.80 is: 256,636,955.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,282,308.20 : 439,068,808.56 = 186,036,905.80 : x
  2. Step 2: Convert to fraction form
    318,282,308.20/439,068,808.56 = 186,036,905.80/x
  3. Step 3: Cross multiply
    318,282,308.20x = 439,068,808.56 × 186,036,905.80
  4. Step 4: Simplify right side
    318,282,308.20x = 81,683,002,577,794,960
  5. Step 5: Solve for x
    x = 81,683,002,577,794,960/318,282,308.20
  6. Step 6: Final answer
    x = 256,636,955.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.