Home / 347,583,284.60-521,668,859.70-143,257,998.20

Finding the Fourth Proportional to 347,583,284.60, 521,668,859.70 and 143,257,998.20

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Solution

The fourth proportional to 347,583,284.60, 521,668,859.70 and 143,257,998.20 is: 215,008,143.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,583,284.60 : 521,668,859.70 = 143,257,998.20 : x
  2. Step 2: Convert to fraction form
    347,583,284.60/521,668,859.70 = 143,257,998.20/x
  3. Step 3: Cross multiply
    347,583,284.60x = 521,668,859.70 × 143,257,998.20
  4. Step 4: Simplify right side
    347,583,284.60x = 74,733,236,563,898,640
  5. Step 5: Solve for x
    x = 74,733,236,563,898,640/347,583,284.60
  6. Step 6: Final answer
    x = 215,008,143.01

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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.