Home / 1,270,385,975,089.80-1,906,141,690,936-665,867,514,151.08

Finding the Fourth Proportional to 1,270,385,975,089.80, 1,906,141,690,936 and 665,867,514,151.08

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Solution

The fourth proportional to 1,270,385,975,089.80, 1,906,141,690,936 and 665,867,514,151.08 is: 999,096,222,920.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,385,975,089.80 : 1,906,141,690,936 = 665,867,514,151.08 : x
  2. Step 2: Convert to fraction form
    1,270,385,975,089.80/1,906,141,690,936 = 665,867,514,151.08/x
  3. Step 3: Cross multiply
    1,270,385,975,089.80x = 1,906,141,690,936 × 665,867,514,151.08
  4. Step 4: Simplify right side
    1,270,385,975,089.80x = 1,269,237,829,363,290,387,513,344
  5. Step 5: Solve for x
    x = 1,269,237,829,363,290,387,513,344/1,270,385,975,089.80
  6. Step 6: Final answer
    x = 999,096,222,920.42

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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.