Home / 28,049,992,893-38,710,206,980.82-15,533,494,461

Finding the Fourth Proportional to 28,049,992,893, 38,710,206,980.82 and 15,533,494,461

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Solution

The fourth proportional to 28,049,992,893, 38,710,206,980.82 and 15,533,494,461 is: 21,436,896,187.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,049,992,893 : 38,710,206,980.82 = 15,533,494,461 : x
  2. Step 2: Convert to fraction form
    28,049,992,893/38,710,206,980.82 = 15,533,494,461/x
  3. Step 3: Cross multiply
    28,049,992,893x = 38,710,206,980.82 × 15,533,494,461
  4. Step 4: Simplify right side
    28,049,992,893x = 601,304,785,720,730,976,256
  5. Step 5: Solve for x
    x = 601,304,785,720,730,976,256/28,049,992,893
  6. Step 6: Final answer
    x = 21,436,896,187.98

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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.