Home / 768,041,808.12-1,059,900,487.20-415,617,762.24

Finding the Fourth Proportional to 768,041,808.12, 1,059,900,487.20 and 415,617,762.24

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Solution

The fourth proportional to 768,041,808.12, 1,059,900,487.20 and 415,617,762.24 is: 573,554,022.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,041,808.12 : 1,059,900,487.20 = 415,617,762.24 : x
  2. Step 2: Convert to fraction form
    768,041,808.12/1,059,900,487.20 = 415,617,762.24/x
  3. Step 3: Cross multiply
    768,041,808.12x = 1,059,900,487.20 × 415,617,762.24
  4. Step 4: Simplify right side
    768,041,808.12x = 440,513,468,687,149,824
  5. Step 5: Solve for x
    x = 440,513,468,687,149,824/768,041,808.12
  6. Step 6: Final answer
    x = 573,554,022.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.