Home / 8,380,586,172.82-11,565,488,115.51-4,570,317,017.68

Finding the Fourth Proportional to 8,380,586,172.82, 11,565,488,115.51 and 4,570,317,017.68

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Solution

The fourth proportional to 8,380,586,172.82, 11,565,488,115.51 and 4,570,317,017.68 is: 6,307,189,743.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380,586,172.82 : 11,565,488,115.51 = 4,570,317,017.68 : x
  2. Step 2: Convert to fraction form
    8,380,586,172.82/11,565,488,115.51 = 4,570,317,017.68/x
  3. Step 3: Cross multiply
    8,380,586,172.82x = 11,565,488,115.51 × 4,570,317,017.68
  4. Step 4: Simplify right side
    8,380,586,172.82x = 52,857,947,152,091,152,384
  5. Step 5: Solve for x
    x = 52,857,947,152,091,152,384/8,380,586,172.82
  6. Step 6: Final answer
    x = 6,307,189,743.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.