Home / 19,752,979,878.90-27,259,139,226.68-10,720,738,123.76

Finding the Fourth Proportional to 19,752,979,878.90, 27,259,139,226.68 and 10,720,738,123.76

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Solution

The fourth proportional to 19,752,979,878.90, 27,259,139,226.68 and 10,720,738,123.76 is: 14,794,633,261.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,752,979,878.90 : 27,259,139,226.68 = 10,720,738,123.76 : x
  2. Step 2: Convert to fraction form
    19,752,979,878.90/27,259,139,226.68 = 10,720,738,123.76/x
  3. Step 3: Cross multiply
    19,752,979,878.90x = 27,259,139,226.68 × 10,720,738,123.76
  4. Step 4: Simplify right side
    19,752,979,878.90x = 292,238,093,128,349,974,528
  5. Step 5: Solve for x
    x = 292,238,093,128,349,974,528/19,752,979,878.90
  6. Step 6: Final answer
    x = 14,794,633,261.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.