Home / 1,957,920,985.20-2,936,881,477.80-665,456,473.20

Finding the Fourth Proportional to 1,957,920,985.20, 2,936,881,477.80 and 665,456,473.20

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Solution

The fourth proportional to 1,957,920,985.20, 2,936,881,477.80 and 665,456,473.20 is: 998,184,709.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957,920,985.20 : 2,936,881,477.80 = 665,456,473.20 : x
  2. Step 2: Convert to fraction form
    1,957,920,985.20/2,936,881,477.80 = 665,456,473.20/x
  3. Step 3: Cross multiply
    1,957,920,985.20x = 2,936,881,477.80 × 665,456,473.20
  4. Step 4: Simplify right side
    1,957,920,985.20x = 1,954,366,790,423,192,320
  5. Step 5: Solve for x
    x = 1,954,366,790,423,192,320/1,957,920,985.20
  6. Step 6: Final answer
    x = 998,184,709.80

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1.5x scale

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.