Home / 7,091,712,642.80-10,637,568,964.20-3,221,877,378.80

Finding the Fourth Proportional to 7,091,712,642.80, 10,637,568,964.20 and 3,221,877,378.80

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Solution

The fourth proportional to 7,091,712,642.80, 10,637,568,964.20 and 3,221,877,378.80 is: 4,832,816,068.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091,712,642.80 : 10,637,568,964.20 = 3,221,877,378.80 : x
  2. Step 2: Convert to fraction form
    7,091,712,642.80/10,637,568,964.20 = 3,221,877,378.80/x
  3. Step 3: Cross multiply
    7,091,712,642.80x = 10,637,568,964.20 × 3,221,877,378.80
  4. Step 4: Simplify right side
    7,091,712,642.80x = 34,272,942,811,180,933,120
  5. Step 5: Solve for x
    x = 34,272,942,811,180,933,120/7,091,712,642.80
  6. Step 6: Final answer
    x = 4,832,816,068.20

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Double scale
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1.5x scale

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.