Home / 578,837,159.56-868,343,919.18-360,310,719.88

Finding the Fourth Proportional to 578,837,159.56, 868,343,919.18 and 360,310,719.88

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Solution

The fourth proportional to 578,837,159.56, 868,343,919.18 and 360,310,719.88 is: 540,520,969.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,837,159.56 : 868,343,919.18 = 360,310,719.88 : x
  2. Step 2: Convert to fraction form
    578,837,159.56/868,343,919.18 = 360,310,719.88/x
  3. Step 3: Cross multiply
    578,837,159.56x = 868,343,919.18 × 360,310,719.88
  4. Step 4: Simplify right side
    578,837,159.56x = 312,873,622,623,166,336
  5. Step 5: Solve for x
    x = 312,873,622,623,166,336/578,837,159.56
  6. Step 6: Final answer
    x = 540,520,969.42

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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.