Home / 430,806,767,972.94-646,210,152,003.82-143,964,824,464.85

Finding the Fourth Proportional to 430,806,767,972.94, 646,210,152,003.82 and 143,964,824,464.85

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Solution

The fourth proportional to 430,806,767,972.94, 646,210,152,003.82 and 143,964,824,464.85 is: 215,947,236,712.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,806,767,972.94 : 646,210,152,003.82 = 143,964,824,464.85 : x
  2. Step 2: Convert to fraction form
    430,806,767,972.94/646,210,152,003.82 = 143,964,824,464.85/x
  3. Step 3: Cross multiply
    430,806,767,972.94x = 646,210,152,003.82 × 143,964,824,464.85
  4. Step 4: Simplify right side
    430,806,767,972.94x = 93,031,531,100,633,986,760,704
  5. Step 5: Solve for x
    x = 93,031,531,100,633,986,760,704/430,806,767,972.94
  6. Step 6: Final answer
    x = 215,947,236,712.12

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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.