Home / 289,296,398,090.10-399,251,361,823.80-173,557,492,442.11

Finding the Fourth Proportional to 289,296,398,090.10, 399,251,361,823.80 and 173,557,492,442.11

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Solution

The fourth proportional to 289,296,398,090.10, 399,251,361,823.80 and 173,557,492,442.11 is: 239,522,737,475.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,296,398,090.10 : 399,251,361,823.80 = 173,557,492,442.11 : x
  2. Step 2: Convert to fraction form
    289,296,398,090.10/399,251,361,823.80 = 173,557,492,442.11/x
  3. Step 3: Cross multiply
    289,296,398,090.10x = 399,251,361,823.80 × 173,557,492,442.11
  4. Step 4: Simplify right side
    289,296,398,090.10x = 69,293,065,212,236,287,442,944
  5. Step 5: Solve for x
    x = 69,293,065,212,236,287,442,944/289,296,398,090.10
  6. Step 6: Final answer
    x = 239,522,737,475.13

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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.