Home / 644,560,252,296.16-889,495,913,529.34-351,591,559,613.36

Finding the Fourth Proportional to 644,560,252,296.16, 889,495,913,529.34 and 351,591,559,613.36

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Solution

The fourth proportional to 644,560,252,296.16, 889,495,913,529.34 and 351,591,559,613.36 is: 485,197,860,701.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,560,252,296.16 : 889,495,913,529.34 = 351,591,559,613.36 : x
  2. Step 2: Convert to fraction form
    644,560,252,296.16/889,495,913,529.34 = 351,591,559,613.36/x
  3. Step 3: Cross multiply
    644,560,252,296.16x = 889,495,913,529.34 × 351,591,559,613.36
  4. Step 4: Simplify right side
    644,560,252,296.16x = 312,739,255,507,491,013,787,648
  5. Step 5: Solve for x
    x = 312,739,255,507,491,013,787,648/644,560,252,296.16
  6. Step 6: Final answer
    x = 485,197,860,701.77

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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.