Home / 1,594,330,011.40-2,389,479,477.90-1,420,993,640.20

Finding the Fourth Proportional to 1,594,330,011.40, 2,389,479,477.90 and 1,420,993,640.20

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Solution

The fourth proportional to 1,594,330,011.40, 2,389,479,477.90 and 1,420,993,640.20 is: 2,129,694,051.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,594,330,011.40 : 2,389,479,477.90 = 1,420,993,640.20 : x
  2. Step 2: Convert to fraction form
    1,594,330,011.40/2,389,479,477.90 = 1,420,993,640.20/x
  3. Step 3: Cross multiply
    1,594,330,011.40x = 2,389,479,477.90 × 1,420,993,640.20
  4. Step 4: Simplify right side
    1,594,330,011.40x = 3,395,435,141,484,316,672
  5. Step 5: Solve for x
    x = 3,395,435,141,484,316,672/1,594,330,011.40
  6. Step 6: Final answer
    x = 2,129,694,051.55

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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.