Home / 856,853,229.84-1,182,482,399.52-485,562,915.60

Finding the Fourth Proportional to 856,853,229.84, 1,182,482,399.52 and 485,562,915.60

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Solution

The fourth proportional to 856,853,229.84, 1,182,482,399.52 and 485,562,915.60 is: 670,090,957.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,853,229.84 : 1,182,482,399.52 = 485,562,915.60 : x
  2. Step 2: Convert to fraction form
    856,853,229.84/1,182,482,399.52 = 485,562,915.60/x
  3. Step 3: Cross multiply
    856,853,229.84x = 1,182,482,399.52 × 485,562,915.60
  4. Step 4: Simplify right side
    856,853,229.84x = 574,169,601,556,615,232
  5. Step 5: Solve for x
    x = 574,169,601,556,615,232/856,853,229.84
  6. Step 6: Final answer
    x = 670,090,957.89

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Double scale
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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.