Home / 531,941,847.12-797,220,668.96-216,440,192.16

Finding the Fourth Proportional to 531,941,847.12, 797,220,668.96 and 216,440,192.16

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Solution

The fourth proportional to 531,941,847.12, 797,220,668.96 and 216,440,192.16 is: 324,378,681.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,941,847.12 : 797,220,668.96 = 216,440,192.16 : x
  2. Step 2: Convert to fraction form
    531,941,847.12/797,220,668.96 = 216,440,192.16/x
  3. Step 3: Cross multiply
    531,941,847.12x = 797,220,668.96 × 216,440,192.16
  4. Step 4: Simplify right side
    531,941,847.12x = 172,550,594,783,626,144
  5. Step 5: Solve for x
    x = 172,550,594,783,626,144/531,941,847.12
  6. Step 6: Final answer
    x = 324,378,681.09

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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.