Home / 449,559,946.80-620,397,338.40-251,332,453.80

Finding the Fourth Proportional to 449,559,946.80, 620,397,338.40 and 251,332,453.80

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Solution

The fourth proportional to 449,559,946.80, 620,397,338.40 and 251,332,453.80 is: 346,841,364.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,559,946.80 : 620,397,338.40 = 251,332,453.80 : x
  2. Step 2: Convert to fraction form
    449,559,946.80/620,397,338.40 = 251,332,453.80/x
  3. Step 3: Cross multiply
    449,559,946.80x = 620,397,338.40 × 251,332,453.80
  4. Step 4: Simplify right side
    449,559,946.80x = 155,925,985,391,060,960
  5. Step 5: Solve for x
    x = 155,925,985,391,060,960/449,559,946.80
  6. Step 6: Final answer
    x = 346,841,364.54

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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.