Home / 769,071,653.20-1,153,607,494.44-186,801,975.52

Finding the Fourth Proportional to 769,071,653.20, 1,153,607,494.44 and 186,801,975.52

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Solution

The fourth proportional to 769,071,653.20, 1,153,607,494.44 and 186,801,975.52 is: 280,202,966.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,071,653.20 : 1,153,607,494.44 = 186,801,975.52 : x
  2. Step 2: Convert to fraction form
    769,071,653.20/1,153,607,494.44 = 186,801,975.52/x
  3. Step 3: Cross multiply
    769,071,653.20x = 1,153,607,494.44 × 186,801,975.52
  4. Step 4: Simplify right side
    769,071,653.20x = 215,496,158,936,069,440
  5. Step 5: Solve for x
    x = 215,496,158,936,069,440/769,071,653.20
  6. Step 6: Final answer
    x = 280,202,966.84

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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.