Home / 821,975,580.03-1,134,491,091.26-487,633,683.63

Finding the Fourth Proportional to 821,975,580.03, 1,134,491,091.26 and 487,633,683.63

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Solution

The fourth proportional to 821,975,580.03, 1,134,491,091.26 and 487,633,683.63 is: 673,032,244.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,975,580.03 : 1,134,491,091.26 = 487,633,683.63 : x
  2. Step 2: Convert to fraction form
    821,975,580.03/1,134,491,091.26 = 487,633,683.63/x
  3. Step 3: Cross multiply
    821,975,580.03x = 1,134,491,091.26 × 487,633,683.63
  4. Step 4: Simplify right side
    821,975,580.03x = 553,216,069,874,094,208
  5. Step 5: Solve for x
    x = 553,216,069,874,094,208/821,975,580.03
  6. Step 6: Final answer
    x = 673,032,244.89

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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.