Home / 664,330,973.60-996,496,460.40-615,958,032.80

Finding the Fourth Proportional to 664,330,973.60, 996,496,460.40 and 615,958,032.80

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Solution

The fourth proportional to 664,330,973.60, 996,496,460.40 and 615,958,032.80 is: 923,937,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,330,973.60 : 996,496,460.40 = 615,958,032.80 : x
  2. Step 2: Convert to fraction form
    664,330,973.60/996,496,460.40 = 615,958,032.80/x
  3. Step 3: Cross multiply
    664,330,973.60x = 996,496,460.40 × 615,958,032.80
  4. Step 4: Simplify right side
    664,330,973.60x = 613,799,999,440,147,072
  5. Step 5: Solve for x
    x = 613,799,999,440,147,072/664,330,973.60
  6. Step 6: Final answer
    x = 923,937,049.20

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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.