Home / 565,218,667.56-779,887,416.06-330,223,942.92

Finding the Fourth Proportional to 565,218,667.56, 779,887,416.06 and 330,223,942.92

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Solution

The fourth proportional to 565,218,667.56, 779,887,416.06 and 330,223,942.92 is: 455,642,236.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,218,667.56 : 779,887,416.06 = 330,223,942.92 : x
  2. Step 2: Convert to fraction form
    565,218,667.56/779,887,416.06 = 330,223,942.92/x
  3. Step 3: Cross multiply
    565,218,667.56x = 779,887,416.06 × 330,223,942.92
  4. Step 4: Simplify right side
    565,218,667.56x = 257,537,497,565,023,712
  5. Step 5: Solve for x
    x = 257,537,497,565,023,712/565,218,667.56
  6. Step 6: Final answer
    x = 455,642,236.09

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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.