Home / 3,120,192,921.68-4,306,138,637.58-1,710,769,289.90

Finding the Fourth Proportional to 3,120,192,921.68, 4,306,138,637.58 and 1,710,769,289.90

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Solution

The fourth proportional to 3,120,192,921.68, 4,306,138,637.58 and 1,710,769,289.90 is: 2,361,010,977.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,192,921.68 : 4,306,138,637.58 = 1,710,769,289.90 : x
  2. Step 2: Convert to fraction form
    3,120,192,921.68/4,306,138,637.58 = 1,710,769,289.90/x
  3. Step 3: Cross multiply
    3,120,192,921.68x = 4,306,138,637.58 × 1,710,769,289.90
  4. Step 4: Simplify right side
    3,120,192,921.68x = 7,366,809,739,223,690,240
  5. Step 5: Solve for x
    x = 7,366,809,739,223,690,240/3,120,192,921.68
  6. Step 6: Final answer
    x = 2,361,010,977.25

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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.