Home / 864,085,270.12-1,192,440,683.58-467,608,160.32

Finding the Fourth Proportional to 864,085,270.12, 1,192,440,683.58 and 467,608,160.32

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Solution

The fourth proportional to 864,085,270.12, 1,192,440,683.58 and 467,608,160.32 is: 645,300,890.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,085,270.12 : 1,192,440,683.58 = 467,608,160.32 : x
  2. Step 2: Convert to fraction form
    864,085,270.12/1,192,440,683.58 = 467,608,160.32/x
  3. Step 3: Cross multiply
    864,085,270.12x = 1,192,440,683.58 × 467,608,160.32
  4. Step 4: Simplify right side
    864,085,270.12x = 557,594,994,339,566,976
  5. Step 5: Solve for x
    x = 557,594,994,339,566,976/864,085,270.12
  6. Step 6: Final answer
    x = 645,300,890.57

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1.5x scale

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.