Home / 808,472,435.16-1,212,805,465.43-248,160,871.35

Finding the Fourth Proportional to 808,472,435.16, 1,212,805,465.43 and 248,160,871.35

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Solution

The fourth proportional to 808,472,435.16, 1,212,805,465.43 and 248,160,871.35 is: 372,271,023.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,472,435.16 : 1,212,805,465.43 = 248,160,871.35 : x
  2. Step 2: Convert to fraction form
    808,472,435.16/1,212,805,465.43 = 248,160,871.35/x
  3. Step 3: Cross multiply
    808,472,435.16x = 1,212,805,465.43 × 248,160,871.35
  4. Step 4: Simplify right side
    808,472,435.16x = 300,970,861,079,151,104
  5. Step 5: Solve for x
    x = 300,970,861,079,151,104/808,472,435.16
  6. Step 6: Final answer
    x = 372,271,023.71

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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.