Home / 1,403,846,374.04-2,105,899,012.19-458,449,415.42

Finding the Fourth Proportional to 1,403,846,374.04, 2,105,899,012.19 and 458,449,415.42

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Solution

The fourth proportional to 1,403,846,374.04, 2,105,899,012.19 and 458,449,415.42 is: 687,716,397.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,846,374.04 : 2,105,899,012.19 = 458,449,415.42 : x
  2. Step 2: Convert to fraction form
    1,403,846,374.04/2,105,899,012.19 = 458,449,415.42/x
  3. Step 3: Cross multiply
    1,403,846,374.04x = 2,105,899,012.19 × 458,449,415.42
  4. Step 4: Simplify right side
    1,403,846,374.04x = 965,448,171,060,385,408
  5. Step 5: Solve for x
    x = 965,448,171,060,385,408/1,403,846,374.04
  6. Step 6: Final answer
    x = 687,716,397.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.