Home / 128,765,880,610.84-193,148,775,455.82-34,436,376,741.88

Finding the Fourth Proportional to 128,765,880,610.84, 193,148,775,455.82 and 34,436,376,741.88

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Solution

The fourth proportional to 128,765,880,610.84, 193,148,775,455.82 and 34,436,376,741.88 is: 51,654,552,955.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,765,880,610.84 : 193,148,775,455.82 = 34,436,376,741.88 : x
  2. Step 2: Convert to fraction form
    128,765,880,610.84/193,148,775,455.82 = 34,436,376,741.88/x
  3. Step 3: Cross multiply
    128,765,880,610.84x = 193,148,775,455.82 × 34,436,376,741.88
  4. Step 4: Simplify right side
    128,765,880,610.84x = 6,651,343,998,829,401,735,168
  5. Step 5: Solve for x
    x = 6,651,343,998,829,401,735,168/128,765,880,610.84
  6. Step 6: Final answer
    x = 51,654,552,955.15

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1.5x scale

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.