Home / 1,962,365,281.80-2,942,039,201.30-1,015,948,809.42

Finding the Fourth Proportional to 1,962,365,281.80, 2,942,039,201.30 and 1,015,948,809.42

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Solution

The fourth proportional to 1,962,365,281.80, 2,942,039,201.30 and 1,015,948,809.42 is: 1,523,142,124.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962,365,281.80 : 2,942,039,201.30 = 1,015,948,809.42 : x
  2. Step 2: Convert to fraction form
    1,962,365,281.80/2,942,039,201.30 = 1,015,948,809.42/x
  3. Step 3: Cross multiply
    1,962,365,281.80x = 2,942,039,201.30 × 1,015,948,809.42
  4. Step 4: Simplify right side
    1,962,365,281.80x = 2,988,961,223,827,702,784
  5. Step 5: Solve for x
    x = 2,988,961,223,827,702,784/1,962,365,281.80
  6. Step 6: Final answer
    x = 1,523,142,124.23

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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.