Home / 251,600,503,036.88-347,216,213,295.96-137,420,510,478.32

Finding the Fourth Proportional to 251,600,503,036.88, 347,216,213,295.96 and 137,420,510,478.32

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Solution

The fourth proportional to 251,600,503,036.88, 347,216,213,295.96 and 137,420,510,478.32 is: 189,644,411,285.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,600,503,036.88 : 347,216,213,295.96 = 137,420,510,478.32 : x
  2. Step 2: Convert to fraction form
    251,600,503,036.88/347,216,213,295.96 = 137,420,510,478.32/x
  3. Step 3: Cross multiply
    251,600,503,036.88x = 347,216,213,295.96 × 137,420,510,478.32
  4. Step 4: Simplify right side
    251,600,503,036.88x = 47,714,629,277,480,069,890,048
  5. Step 5: Solve for x
    x = 47,714,629,277,480,069,890,048/251,600,503,036.88
  6. Step 6: Final answer
    x = 189,644,411,285.16

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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.