Home / 856,106,398.74-1,181,432,876.86-464,965,822.74

Finding the Fourth Proportional to 856,106,398.74, 1,181,432,876.86 and 464,965,822.74

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Solution

The fourth proportional to 856,106,398.74, 1,181,432,876.86 and 464,965,822.74 is: 641,656,119.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,106,398.74 : 1,181,432,876.86 = 464,965,822.74 : x
  2. Step 2: Convert to fraction form
    856,106,398.74/1,181,432,876.86 = 464,965,822.74/x
  3. Step 3: Cross multiply
    856,106,398.74x = 1,181,432,876.86 × 464,965,822.74
  4. Step 4: Simplify right side
    856,106,398.74x = 549,325,909,601,294,976
  5. Step 5: Solve for x
    x = 549,325,909,601,294,976/856,106,398.74
  6. Step 6: Final answer
    x = 641,656,119.39

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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.