Home / 347,309,219.20-520,208,001.60-210,756,438.40

Finding the Fourth Proportional to 347,309,219.20, 520,208,001.60 and 210,756,438.40

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Solution

The fourth proportional to 347,309,219.20, 520,208,001.60 and 210,756,438.40 is: 315,676,001.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,309,219.20 : 520,208,001.60 = 210,756,438.40 : x
  2. Step 2: Convert to fraction form
    347,309,219.20/520,208,001.60 = 210,756,438.40/x
  3. Step 3: Cross multiply
    347,309,219.20x = 520,208,001.60 × 210,756,438.40
  4. Step 4: Simplify right side
    347,309,219.20x = 109,637,185,644,397,504
  5. Step 5: Solve for x
    x = 109,637,185,644,397,504/347,309,219.20
  6. Step 6: Final answer
    x = 315,676,001.62

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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.