Home / 348,213,020.80-522,721,809.60-186,969,884.80

Finding the Fourth Proportional to 348,213,020.80, 522,721,809.60 and 186,969,884.80

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Solution

The fourth proportional to 348,213,020.80, 522,721,809.60 and 186,969,884.80 is: 280,670,827.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,213,020.80 : 522,721,809.60 = 186,969,884.80 : x
  2. Step 2: Convert to fraction form
    348,213,020.80/522,721,809.60 = 186,969,884.80/x
  3. Step 3: Cross multiply
    348,213,020.80x = 522,721,809.60 × 186,969,884.80
  4. Step 4: Simplify right side
    348,213,020.80x = 97,733,236,523,359,552
  5. Step 5: Solve for x
    x = 97,733,236,523,359,552/348,213,020.80
  6. Step 6: Final answer
    x = 280,670,827.01

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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.