Home / 508,053,291.53-699,807,208.77-359,118,362.94

Finding the Fourth Proportional to 508,053,291.53, 699,807,208.77 and 359,118,362.94

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Solution

The fourth proportional to 508,053,291.53, 699,807,208.77 and 359,118,362.94 is: 494,659,956.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,053,291.53 : 699,807,208.77 = 359,118,362.94 : x
  2. Step 2: Convert to fraction form
    508,053,291.53/699,807,208.77 = 359,118,362.94/x
  3. Step 3: Cross multiply
    508,053,291.53x = 699,807,208.77 × 359,118,362.94
  4. Step 4: Simplify right side
    508,053,291.53x = 251,313,619,184,468,896
  5. Step 5: Solve for x
    x = 251,313,619,184,468,896/508,053,291.53
  6. Step 6: Final answer
    x = 494,659,956.69

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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.