Home / 348,912,010.80-523,368,016.20-346,523,223.60

Finding the Fourth Proportional to 348,912,010.80, 523,368,016.20 and 346,523,223.60

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Solution

The fourth proportional to 348,912,010.80, 523,368,016.20 and 346,523,223.60 is: 519,784,835.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,912,010.80 : 523,368,016.20 = 346,523,223.60 : x
  2. Step 2: Convert to fraction form
    348,912,010.80/523,368,016.20 = 346,523,223.60/x
  3. Step 3: Cross multiply
    348,912,010.80x = 523,368,016.20 × 346,523,223.60
  4. Step 4: Simplify right side
    348,912,010.80x = 181,359,172,102,761,024
  5. Step 5: Solve for x
    x = 181,359,172,102,761,024/348,912,010.80
  6. Step 6: Final answer
    x = 519,784,835.40

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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.