Home / 879,648,794.97-1,318,833,449.59-413,069,795.40

Finding the Fourth Proportional to 879,648,794.97, 1,318,833,449.59 and 413,069,795.40

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Solution

The fourth proportional to 879,648,794.97, 1,318,833,449.59 and 413,069,795.40 is: 619,304,279.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,648,794.97 : 1,318,833,449.59 = 413,069,795.40 : x
  2. Step 2: Convert to fraction form
    879,648,794.97/1,318,833,449.59 = 413,069,795.40/x
  3. Step 3: Cross multiply
    879,648,794.97x = 1,318,833,449.59 × 413,069,795.40
  4. Step 4: Simplify right side
    879,648,794.97x = 544,770,263,193,515,328
  5. Step 5: Solve for x
    x = 544,770,263,193,515,328/879,648,794.97
  6. Step 6: Final answer
    x = 619,304,279.52

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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.