Home / 517,148,870.64-775,579,780.44-143,570,934.96

Finding the Fourth Proportional to 517,148,870.64, 775,579,780.44 and 143,570,934.96

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Solution

The fourth proportional to 517,148,870.64, 775,579,780.44 and 143,570,934.96 is: 215,316,556.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,148,870.64 : 775,579,780.44 = 143,570,934.96 : x
  2. Step 2: Convert to fraction form
    517,148,870.64/775,579,780.44 = 143,570,934.96/x
  3. Step 3: Cross multiply
    517,148,870.64x = 775,579,780.44 × 143,570,934.96
  4. Step 4: Simplify right side
    517,148,870.64x = 111,350,714,213,842,336
  5. Step 5: Solve for x
    x = 111,350,714,213,842,336/517,148,870.64
  6. Step 6: Final answer
    x = 215,316,556.87

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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.