Home / 348,213,021.80-522,721,811.10-186,969,885.80

Finding the Fourth Proportional to 348,213,021.80, 522,721,811.10 and 186,969,885.80

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Solution

The fourth proportional to 348,213,021.80, 522,721,811.10 and 186,969,885.80 is: 280,670,828.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,213,021.80 : 522,721,811.10 = 186,969,885.80 : x
  2. Step 2: Convert to fraction form
    348,213,021.80/522,721,811.10 = 186,969,885.80/x
  3. Step 3: Cross multiply
    348,213,021.80x = 522,721,811.10 × 186,969,885.80
  4. Step 4: Simplify right side
    348,213,021.80x = 97,733,237,326,536,176
  5. Step 5: Solve for x
    x = 97,733,237,326,536,176/348,213,021.80
  6. Step 6: Final answer
    x = 280,670,828.51

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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.