Home / 856,106,404.61-1,181,432,884.97-464,965,828.61

Finding the Fourth Proportional to 856,106,404.61, 1,181,432,884.97 and 464,965,828.61

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Solution

The fourth proportional to 856,106,404.61, 1,181,432,884.97 and 464,965,828.61 is: 641,656,127.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,106,404.61 : 1,181,432,884.97 = 464,965,828.61 : x
  2. Step 2: Convert to fraction form
    856,106,404.61/1,181,432,884.97 = 464,965,828.61/x
  3. Step 3: Cross multiply
    856,106,404.61x = 1,181,432,884.97 × 464,965,828.61
  4. Step 4: Simplify right side
    856,106,404.61x = 549,325,920,302,434,176
  5. Step 5: Solve for x
    x = 549,325,920,302,434,176/856,106,404.61
  6. Step 6: Final answer
    x = 641,656,127.49

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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.