Home / 8,656,038,342.04-11,939,174,930.22-7,943,873,642.28

Finding the Fourth Proportional to 8,656,038,342.04, 11,939,174,930.22 and 7,943,873,642.28

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Solution

The fourth proportional to 8,656,038,342.04, 11,939,174,930.22 and 7,943,873,642.28 is: 10,956,894,284.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656,038,342.04 : 11,939,174,930.22 = 7,943,873,642.28 : x
  2. Step 2: Convert to fraction form
    8,656,038,342.04/11,939,174,930.22 = 7,943,873,642.28/x
  3. Step 3: Cross multiply
    8,656,038,342.04x = 11,939,174,930.22 × 7,943,873,642.28
  4. Step 4: Simplify right side
    8,656,038,342.04x = 94,843,297,038,744,813,568
  5. Step 5: Solve for x
    x = 94,843,297,038,744,813,568/8,656,038,342.04
  6. Step 6: Final answer
    x = 10,956,894,284.78

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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.