Home / 792,350,842.32-1,093,478,312.64-439,926,849.36

Finding the Fourth Proportional to 792,350,842.32, 1,093,478,312.64 and 439,926,849.36

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Solution

The fourth proportional to 792,350,842.32, 1,093,478,312.64 and 439,926,849.36 is: 607,118,012.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,350,842.32 : 1,093,478,312.64 = 439,926,849.36 : x
  2. Step 2: Convert to fraction form
    792,350,842.32/1,093,478,312.64 = 439,926,849.36/x
  3. Step 3: Cross multiply
    792,350,842.32x = 1,093,478,312.64 × 439,926,849.36
  4. Step 4: Simplify right side
    792,350,842.32x = 481,050,468,923,204,352
  5. Step 5: Solve for x
    x = 481,050,468,923,204,352/792,350,842.32
  6. Step 6: Final answer
    x = 607,118,012.92

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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.