Home / 250,280,998.80-375,421,498.20-207,765,718.80

Finding the Fourth Proportional to 250,280,998.80, 375,421,498.20 and 207,765,718.80

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Solution

The fourth proportional to 250,280,998.80, 375,421,498.20 and 207,765,718.80 is: 311,648,578.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,280,998.80 : 375,421,498.20 = 207,765,718.80 : x
  2. Step 2: Convert to fraction form
    250,280,998.80/375,421,498.20 = 207,765,718.80/x
  3. Step 3: Cross multiply
    250,280,998.80x = 375,421,498.20 × 207,765,718.80
  4. Step 4: Simplify right side
    250,280,998.80x = 77,999,717,426,495,904
  5. Step 5: Solve for x
    x = 77,999,717,426,495,904/250,280,998.80
  6. Step 6: Final answer
    x = 311,648,578.20

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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.