Home / 856,106,398.98-1,181,432,877.21-464,965,822.98

Finding the Fourth Proportional to 856,106,398.98, 1,181,432,877.21 and 464,965,822.98

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Solution

The fourth proportional to 856,106,398.98, 1,181,432,877.21 and 464,965,822.98 is: 641,656,119.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,106,398.98 : 1,181,432,877.21 = 464,965,822.98 : x
  2. Step 2: Convert to fraction form
    856,106,398.98/1,181,432,877.21 = 464,965,822.98/x
  3. Step 3: Cross multiply
    856,106,398.98x = 1,181,432,877.21 × 464,965,822.98
  4. Step 4: Simplify right side
    856,106,398.98x = 549,325,910,047,576,960
  5. Step 5: Solve for x
    x = 549,325,910,047,576,960/856,106,398.98
  6. Step 6: Final answer
    x = 641,656,119.73

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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.