Home / 558,567,315.40-838,228,886.70-251,701,472.20

Finding the Fourth Proportional to 558,567,315.40, 838,228,886.70 and 251,701,472.20

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Solution

The fourth proportional to 558,567,315.40, 838,228,886.70 and 251,701,472.20 is: 377,722,503.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,567,315.40 : 838,228,886.70 = 251,701,472.20 : x
  2. Step 2: Convert to fraction form
    558,567,315.40/838,228,886.70 = 251,701,472.20/x
  3. Step 3: Cross multiply
    558,567,315.40x = 838,228,886.70 × 251,701,472.20
  4. Step 4: Simplify right side
    558,567,315.40x = 210,983,444,822,956,992
  5. Step 5: Solve for x
    x = 210,983,444,822,956,992/558,567,315.40
  6. Step 6: Final answer
    x = 377,722,503.64

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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.