Home / 1,012,931,327.37-1,519,473,620.41-313,494,205.88

Finding the Fourth Proportional to 1,012,931,327.37, 1,519,473,620.41 and 313,494,205.88

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Solution

The fourth proportional to 1,012,931,327.37, 1,519,473,620.41 and 313,494,205.88 is: 470,265,025.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,931,327.37 : 1,519,473,620.41 = 313,494,205.88 : x
  2. Step 2: Convert to fraction form
    1,012,931,327.37/1,519,473,620.41 = 313,494,205.88/x
  3. Step 3: Cross multiply
    1,012,931,327.37x = 1,519,473,620.41 × 313,494,205.88
  4. Step 4: Simplify right side
    1,012,931,327.37x = 476,346,175,989,056,448
  5. Step 5: Solve for x
    x = 476,346,175,989,056,448/1,012,931,327.37
  6. Step 6: Final answer
    x = 470,265,025.00

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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.