Home / 373,995,050.64-516,103,268.04-208,983,976.08

Finding the Fourth Proportional to 373,995,050.64, 516,103,268.04 and 208,983,976.08

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Solution

The fourth proportional to 373,995,050.64, 516,103,268.04 and 208,983,976.08 is: 288,392,353.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,995,050.64 : 516,103,268.04 = 208,983,976.08 : x
  2. Step 2: Convert to fraction form
    373,995,050.64/516,103,268.04 = 208,983,976.08/x
  3. Step 3: Cross multiply
    373,995,050.64x = 516,103,268.04 × 208,983,976.08
  4. Step 4: Simplify right side
    373,995,050.64x = 107,857,313,022,881,200
  5. Step 5: Solve for x
    x = 107,857,313,022,881,200/373,995,050.64
  6. Step 6: Final answer
    x = 288,392,353.96

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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.