Home / 868,045,347.80-1,302,068,021.70-322,674,032.60

Finding the Fourth Proportional to 868,045,347.80, 1,302,068,021.70 and 322,674,032.60

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Solution

The fourth proportional to 868,045,347.80, 1,302,068,021.70 and 322,674,032.60 is: 484,011,048.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,045,347.80 : 1,302,068,021.70 = 322,674,032.60 : x
  2. Step 2: Convert to fraction form
    868,045,347.80/1,302,068,021.70 = 322,674,032.60/x
  3. Step 3: Cross multiply
    868,045,347.80x = 1,302,068,021.70 × 322,674,032.60
  4. Step 4: Simplify right side
    868,045,347.80x = 420,143,539,281,443,328
  5. Step 5: Solve for x
    x = 420,143,539,281,443,328/868,045,347.80
  6. Step 6: Final answer
    x = 484,011,048.90

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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.