Home / 505,270,167.46-758,176,581.38-210,368,869.55

Finding the Fourth Proportional to 505,270,167.46, 758,176,581.38 and 210,368,869.55

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Solution

The fourth proportional to 505,270,167.46, 758,176,581.38 and 210,368,869.55 is: 315,666,272.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,270,167.46 : 758,176,581.38 = 210,368,869.55 : x
  2. Step 2: Convert to fraction form
    505,270,167.46/758,176,581.38 = 210,368,869.55/x
  3. Step 3: Cross multiply
    505,270,167.46x = 758,176,581.38 × 210,368,869.55
  4. Step 4: Simplify right side
    505,270,167.46x = 159,496,750,344,194,176
  5. Step 5: Solve for x
    x = 159,496,750,344,194,176/505,270,167.46
  6. Step 6: Final answer
    x = 315,666,272.45

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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.