Home / 280,554,873,276.54-387,194,581,868.46-170,697,018,493.02

Finding the Fourth Proportional to 280,554,873,276.54, 387,194,581,868.46 and 170,697,018,493.02

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Solution

The fourth proportional to 280,554,873,276.54, 387,194,581,868.46 and 170,697,018,493.02 is: 235,579,442,729.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,554,873,276.54 : 387,194,581,868.46 = 170,697,018,493.02 : x
  2. Step 2: Convert to fraction form
    280,554,873,276.54/387,194,581,868.46 = 170,697,018,493.02/x
  3. Step 3: Cross multiply
    280,554,873,276.54x = 387,194,581,868.46 × 170,697,018,493.02
  4. Step 4: Simplify right side
    280,554,873,276.54x = 66,092,960,701,597,662,314,496
  5. Step 5: Solve for x
    x = 66,092,960,701,597,662,314,496/280,554,873,276.54
  6. Step 6: Final answer
    x = 235,579,442,729.73

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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.