Home / 687,802,752,001.80-1,031,704,128,002.70-687,802,752,001.80

Finding the Fourth Proportional to 687,802,752,001.80, 1,031,704,128,002.70 and 687,802,752,001.80

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Solution

The fourth proportional to 687,802,752,001.80, 1,031,704,128,002.70 and 687,802,752,001.80 is: 1,031,704,128,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,802,752,001.80 : 1,031,704,128,002.70 = 687,802,752,001.80 : x
  2. Step 2: Convert to fraction form
    687,802,752,001.80/1,031,704,128,002.70 = 687,802,752,001.80/x
  3. Step 3: Cross multiply
    687,802,752,001.80x = 1,031,704,128,002.70 × 687,802,752,001.80
  4. Step 4: Simplify right side
    687,802,752,001.80x = 709,608,938,491,874,453,225,472
  5. Step 5: Solve for x
    x = 709,608,938,491,874,453,225,472/687,802,752,001.80
  6. Step 6: Final answer
    x = 1,031,704,128,002.70

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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.