Home / 28,330,335,003.82-42,510,209,762.93-11,554,453,873.84

Finding the Fourth Proportional to 28,330,335,003.82, 42,510,209,762.93 and 11,554,453,873.84

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Solution

The fourth proportional to 28,330,335,003.82, 42,510,209,762.93 and 11,554,453,873.84 is: 17,337,679,127.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,330,335,003.82 : 42,510,209,762.93 = 11,554,453,873.84 : x
  2. Step 2: Convert to fraction form
    28,330,335,003.82/42,510,209,762.93 = 11,554,453,873.84/x
  3. Step 3: Cross multiply
    28,330,335,003.82x = 42,510,209,762.93 × 11,554,453,873.84
  4. Step 4: Simplify right side
    28,330,335,003.82x = 491,182,257,872,979,820,544
  5. Step 5: Solve for x
    x = 491,182,257,872,979,820,544/28,330,335,003.82
  6. Step 6: Final answer
    x = 17,337,679,127.58

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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.