Home / 5,157,757,946.40-7,117,730,069.82-2,930,212,366.08

Finding the Fourth Proportional to 5,157,757,946.40, 7,117,730,069.82 and 2,930,212,366.08

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Solution

The fourth proportional to 5,157,757,946.40, 7,117,730,069.82 and 2,930,212,366.08 is: 4,043,706,758.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157,757,946.40 : 7,117,730,069.82 = 2,930,212,366.08 : x
  2. Step 2: Convert to fraction form
    5,157,757,946.40/7,117,730,069.82 = 2,930,212,366.08/x
  3. Step 3: Cross multiply
    5,157,757,946.40x = 7,117,730,069.82 × 2,930,212,366.08
  4. Step 4: Simplify right side
    5,157,757,946.40x = 20,856,460,669,006,024,704
  5. Step 5: Solve for x
    x = 20,856,460,669,006,024,704/5,157,757,946.40
  6. Step 6: Final answer
    x = 4,043,706,758.97

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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.