Home / 644,560,252,294.80-889,495,913,527.40-351,591,559,611.96

Finding the Fourth Proportional to 644,560,252,294.80, 889,495,913,527.40 and 351,591,559,611.96

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Solution

The fourth proportional to 644,560,252,294.80, 889,495,913,527.40 and 351,591,559,611.96 is: 485,197,860,699.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,560,252,294.80 : 889,495,913,527.40 = 351,591,559,611.96 : x
  2. Step 2: Convert to fraction form
    644,560,252,294.80/889,495,913,527.40 = 351,591,559,611.96/x
  3. Step 3: Cross multiply
    644,560,252,294.80x = 889,495,913,527.40 × 351,591,559,611.96
  4. Step 4: Simplify right side
    644,560,252,294.80x = 312,739,255,505,563,714,322,432
  5. Step 5: Solve for x
    x = 312,739,255,505,563,714,322,432/644,560,252,294.80
  6. Step 6: Final answer
    x = 485,197,860,699.81

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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.