Home / 791,345,710.48-1,092,187,849.80-439,035,208.24

Finding the Fourth Proportional to 791,345,710.48, 1,092,187,849.80 and 439,035,208.24

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Solution

The fourth proportional to 791,345,710.48, 1,092,187,849.80 and 439,035,208.24 is: 605,941,137.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,345,710.48 : 1,092,187,849.80 = 439,035,208.24 : x
  2. Step 2: Convert to fraction form
    791,345,710.48/1,092,187,849.80 = 439,035,208.24/x
  3. Step 3: Cross multiply
    791,345,710.48x = 1,092,187,849.80 × 439,035,208.24
  4. Step 4: Simplify right side
    791,345,710.48x = 479,508,920,074,140,800
  5. Step 5: Solve for x
    x = 479,508,920,074,140,800/791,345,710.48
  6. Step 6: Final answer
    x = 605,941,137.64

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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.