Home / 987,898,284.79-1,481,983,695-573,570,232.65

Finding the Fourth Proportional to 987,898,284.79, 1,481,983,695 and 573,570,232.65

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Solution

The fourth proportional to 987,898,284.79, 1,481,983,695 and 573,570,232.65 is: 860,434,465.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,898,284.79 : 1,481,983,695 = 573,570,232.65 : x
  2. Step 2: Convert to fraction form
    987,898,284.79/1,481,983,695 = 573,570,232.65/x
  3. Step 3: Cross multiply
    987,898,284.79x = 1,481,983,695 × 573,570,232.65
  4. Step 4: Simplify right side
    987,898,284.79x = 850,021,732,724,656,640
  5. Step 5: Solve for x
    x = 850,021,732,724,656,640/987,898,284.79
  6. Step 6: Final answer
    x = 860,434,465.59

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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.