Home / 354,639,629.40-531,063,648.90-232,811,482.20

Finding the Fourth Proportional to 354,639,629.40, 531,063,648.90 and 232,811,482.20

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Solution

The fourth proportional to 354,639,629.40, 531,063,648.90 and 232,811,482.20 is: 348,629,157.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,639,629.40 : 531,063,648.90 = 232,811,482.20 : x
  2. Step 2: Convert to fraction form
    354,639,629.40/531,063,648.90 = 232,811,482.20/x
  3. Step 3: Cross multiply
    354,639,629.40x = 531,063,648.90 × 232,811,482.20
  4. Step 4: Simplify right side
    354,639,629.40x = 123,637,715,242,949,392
  5. Step 5: Solve for x
    x = 123,637,715,242,949,392/354,639,629.40
  6. Step 6: Final answer
    x = 348,629,157.58

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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.