Home / 561,818,286.96-842,642,286.12-152,906,302.32

Finding the Fourth Proportional to 561,818,286.96, 842,642,286.12 and 152,906,302.32

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Solution

The fourth proportional to 561,818,286.96, 842,642,286.12 and 152,906,302.32 is: 229,336,280.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,818,286.96 : 842,642,286.12 = 152,906,302.32 : x
  2. Step 2: Convert to fraction form
    561,818,286.96/842,642,286.12 = 152,906,302.32/x
  3. Step 3: Cross multiply
    561,818,286.96x = 842,642,286.12 × 152,906,302.32
  4. Step 4: Simplify right side
    561,818,286.96x = 128,845,316,149,080,656
  5. Step 5: Solve for x
    x = 128,845,316,149,080,656/561,818,286.96
  6. Step 6: Final answer
    x = 229,336,280.32

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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.