Home / 56,669,197,748.49-78,203,522,580.62-30,948,829,778.25

Finding the Fourth Proportional to 56,669,197,748.49, 78,203,522,580.62 and 30,948,829,778.25

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Solution

The fourth proportional to 56,669,197,748.49, 78,203,522,580.62 and 30,948,829,778.25 is: 42,709,401,307.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,669,197,748.49 : 78,203,522,580.62 = 30,948,829,778.25 : x
  2. Step 2: Convert to fraction form
    56,669,197,748.49/78,203,522,580.62 = 30,948,829,778.25/x
  3. Step 3: Cross multiply
    56,669,197,748.49x = 78,203,522,580.62 × 30,948,829,778.25
  4. Step 4: Simplify right side
    56,669,197,748.49x = 2,420,307,508,406,983,852,032
  5. Step 5: Solve for x
    x = 2,420,307,508,406,983,852,032/56,669,197,748.49
  6. Step 6: Final answer
    x = 42,709,401,307.37

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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.