Home / 956,855,998.20-1,435,955,843.70-411,988,567.80

Finding the Fourth Proportional to 956,855,998.20, 1,435,955,843.70 and 411,988,567.80

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Solution

The fourth proportional to 956,855,998.20, 1,435,955,843.70 and 411,988,567.80 is: 618,272,125.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,855,998.20 : 1,435,955,843.70 = 411,988,567.80 : x
  2. Step 2: Convert to fraction form
    956,855,998.20/1,435,955,843.70 = 411,988,567.80/x
  3. Step 3: Cross multiply
    956,855,998.20x = 1,435,955,843.70 × 411,988,567.80
  4. Step 4: Simplify right side
    956,855,998.20x = 591,597,391,470,003,712
  5. Step 5: Solve for x
    x = 591,597,391,470,003,712/956,855,998.20
  6. Step 6: Final answer
    x = 618,272,125.15

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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.