Home / 5,215,521,783.40-7,823,282,675.10-1,338,128,247.40

Finding the Fourth Proportional to 5,215,521,783.40, 7,823,282,675.10 and 1,338,128,247.40

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Solution

The fourth proportional to 5,215,521,783.40, 7,823,282,675.10 and 1,338,128,247.40 is: 2,007,192,371.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215,521,783.40 : 7,823,282,675.10 = 1,338,128,247.40 : x
  2. Step 2: Convert to fraction form
    5,215,521,783.40/7,823,282,675.10 = 1,338,128,247.40/x
  3. Step 3: Cross multiply
    5,215,521,783.40x = 7,823,282,675.10 × 1,338,128,247.40
  4. Step 4: Simplify right side
    5,215,521,783.40x = 10,468,555,534,946,347,008
  5. Step 5: Solve for x
    x = 10,468,555,534,946,347,008/5,215,521,783.40
  6. Step 6: Final answer
    x = 2,007,192,371.10

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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.