Home / 440,103,653.40-660,155,480.10-133,355,908.20

Finding the Fourth Proportional to 440,103,653.40, 660,155,480.10 and 133,355,908.20

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Solution

The fourth proportional to 440,103,653.40, 660,155,480.10 and 133,355,908.20 is: 200,033,862.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,103,653.40 : 660,155,480.10 = 133,355,908.20 : x
  2. Step 2: Convert to fraction form
    440,103,653.40/660,155,480.10 = 133,355,908.20/x
  3. Step 3: Cross multiply
    440,103,653.40x = 660,155,480.10 × 133,355,908.20
  4. Step 4: Simplify right side
    440,103,653.40x = 88,035,633,601,942,528
  5. Step 5: Solve for x
    x = 88,035,633,601,942,528/440,103,653.40
  6. Step 6: Final answer
    x = 200,033,862.30

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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.