Home / 1,594,330,010.40-2,389,479,476.40-1,420,993,639.20

Finding the Fourth Proportional to 1,594,330,010.40, 2,389,479,476.40 and 1,420,993,639.20

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Solution

The fourth proportional to 1,594,330,010.40, 2,389,479,476.40 and 1,420,993,639.20 is: 2,129,694,050.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,594,330,010.40 : 2,389,479,476.40 = 1,420,993,639.20 : x
  2. Step 2: Convert to fraction form
    1,594,330,010.40/2,389,479,476.40 = 1,420,993,639.20/x
  3. Step 3: Cross multiply
    1,594,330,010.40x = 2,389,479,476.40 × 1,420,993,639.20
  4. Step 4: Simplify right side
    1,594,330,010.40x = 3,395,435,136,963,346,944
  5. Step 5: Solve for x
    x = 3,395,435,136,963,346,944/1,594,330,010.40
  6. Step 6: Final answer
    x = 2,129,694,050.05

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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.