Home / 9,209,845,478.52-12,709,624,793.94-4,980,757,277.88

Finding the Fourth Proportional to 9,209,845,478.52, 12,709,624,793.94 and 4,980,757,277.88

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Solution

The fourth proportional to 9,209,845,478.52, 12,709,624,793.94 and 4,980,757,277.88 is: 6,873,465,612.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,209,845,478.52 : 12,709,624,793.94 = 4,980,757,277.88 : x
  2. Step 2: Convert to fraction form
    9,209,845,478.52/12,709,624,793.94 = 4,980,757,277.88/x
  3. Step 3: Cross multiply
    9,209,845,478.52x = 12,709,624,793.94 × 4,980,757,277.88
  4. Step 4: Simplify right side
    9,209,845,478.52x = 63,303,556,191,540,756,480
  5. Step 5: Solve for x
    x = 63,303,556,191,540,756,480/9,209,845,478.52
  6. Step 6: Final answer
    x = 6,873,465,612.34

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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.