Home / 31,644,865,282.10-43,668,310,377.47-18,785,054,930.76

Finding the Fourth Proportional to 31,644,865,282.10, 43,668,310,377.47 and 18,785,054,930.76

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Solution

The fourth proportional to 31,644,865,282.10, 43,668,310,377.47 and 18,785,054,930.76 is: 25,922,423,807.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,644,865,282.10 : 43,668,310,377.47 = 18,785,054,930.76 : x
  2. Step 2: Convert to fraction form
    31,644,865,282.10/43,668,310,377.47 = 18,785,054,930.76/x
  3. Step 3: Cross multiply
    31,644,865,282.10x = 43,668,310,377.47 × 18,785,054,930.76
  4. Step 4: Simplify right side
    31,644,865,282.10x = 820,311,609,174,175,776,768
  5. Step 5: Solve for x
    x = 820,311,609,174,175,776,768/31,644,865,282.10
  6. Step 6: Final answer
    x = 25,922,423,807.51

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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.