Home / 28,256,217,224.67-42,392,596,555.82-9,111,443,447.43

Finding the Fourth Proportional to 28,256,217,224.67, 42,392,596,555.82 and 9,111,443,447.43

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Solution

The fourth proportional to 28,256,217,224.67, 42,392,596,555.82 and 9,111,443,447.43 is: 13,669,832,130.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,256,217,224.67 : 42,392,596,555.82 = 9,111,443,447.43 : x
  2. Step 2: Convert to fraction form
    28,256,217,224.67/42,392,596,555.82 = 9,111,443,447.43/x
  3. Step 3: Cross multiply
    28,256,217,224.67x = 42,392,596,555.82 × 9,111,443,447.43
  4. Step 4: Simplify right side
    28,256,217,224.67x = 386,257,746,108,097,036,288
  5. Step 5: Solve for x
    x = 386,257,746,108,097,036,288/28,256,217,224.67
  6. Step 6: Final answer
    x = 13,669,832,130.64

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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.