Home / 23,048,142,616.86-31,796,697,351.60-15,429,643,076.82

Finding the Fourth Proportional to 23,048,142,616.86, 31,796,697,351.60 and 15,429,643,076.82

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Solution

The fourth proportional to 23,048,142,616.86, 31,796,697,351.60 and 15,429,643,076.82 is: 21,286,387,337.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,048,142,616.86 : 31,796,697,351.60 = 15,429,643,076.82 : x
  2. Step 2: Convert to fraction form
    23,048,142,616.86/31,796,697,351.60 = 15,429,643,076.82/x
  3. Step 3: Cross multiply
    23,048,142,616.86x = 31,796,697,351.60 × 15,429,643,076.82
  4. Step 4: Simplify right side
    23,048,142,616.86x = 490,611,691,156,855,717,888
  5. Step 5: Solve for x
    x = 490,611,691,156,855,717,888/23,048,142,616.86
  6. Step 6: Final answer
    x = 21,286,387,337.69

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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.