Home / 958,881,567.60-1,438,322,351.40-442,320,915.60

Finding the Fourth Proportional to 958,881,567.60, 1,438,322,351.40 and 442,320,915.60

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Solution

The fourth proportional to 958,881,567.60, 1,438,322,351.40 and 442,320,915.60 is: 663,481,373.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,881,567.60 : 1,438,322,351.40 = 442,320,915.60 : x
  2. Step 2: Convert to fraction form
    958,881,567.60/1,438,322,351.40 = 442,320,915.60/x
  3. Step 3: Cross multiply
    958,881,567.60x = 1,438,322,351.40 × 442,320,915.60
  4. Step 4: Simplify right side
    958,881,567.60x = 636,200,059,399,192,960
  5. Step 5: Solve for x
    x = 636,200,059,399,192,960/958,881,567.60
  6. Step 6: Final answer
    x = 663,481,373.40

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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.