Home / 31,676,718,261.74-43,717,618,741.49-18,816,409,030.69

Finding the Fourth Proportional to 31,676,718,261.74, 43,717,618,741.49 and 18,816,409,030.69

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Solution

The fourth proportional to 31,676,718,261.74, 43,717,618,741.49 and 18,816,409,030.69 is: 25,968,870,553.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,676,718,261.74 : 43,717,618,741.49 = 18,816,409,030.69 : x
  2. Step 2: Convert to fraction form
    31,676,718,261.74/43,717,618,741.49 = 18,816,409,030.69/x
  3. Step 3: Cross multiply
    31,676,718,261.74x = 43,717,618,741.49 × 18,816,409,030.69
  4. Step 4: Simplify right side
    31,676,718,261.74x = 822,608,596,087,628,234,752
  5. Step 5: Solve for x
    x = 822,608,596,087,628,234,752/31,676,718,261.74
  6. Step 6: Final answer
    x = 25,968,870,553.15

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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.