Home / 76,503,391,076.64-105,575,046,372.24-42,209,095,908.60

Finding the Fourth Proportional to 76,503,391,076.64, 105,575,046,372.24 and 42,209,095,908.60

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Solution

The fourth proportional to 76,503,391,076.64, 105,575,046,372.24 and 42,209,095,908.60 is: 58,248,754,665.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,503,391,076.64 : 105,575,046,372.24 = 42,209,095,908.60 : x
  2. Step 2: Convert to fraction form
    76,503,391,076.64/105,575,046,372.24 = 42,209,095,908.60/x
  3. Step 3: Cross multiply
    76,503,391,076.64x = 105,575,046,372.24 × 42,209,095,908.60
  4. Step 4: Simplify right side
    76,503,391,076.64x = 4,456,227,257,880,770,772,992
  5. Step 5: Solve for x
    x = 4,456,227,257,880,770,772,992/76,503,391,076.64
  6. Step 6: Final answer
    x = 58,248,754,665.22

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1.5x scale

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.