Home / 25,120,510,665.30-37,657,959,082.69-12,533,218,977.69

Finding the Fourth Proportional to 25,120,510,665.30, 37,657,959,082.69 and 12,533,218,977.69

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Solution

The fourth proportional to 25,120,510,665.30, 37,657,959,082.69 and 12,533,218,977.69 is: 18,788,449,555.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,120,510,665.30 : 37,657,959,082.69 = 12,533,218,977.69 : x
  2. Step 2: Convert to fraction form
    25,120,510,665.30/37,657,959,082.69 = 12,533,218,977.69/x
  3. Step 3: Cross multiply
    25,120,510,665.30x = 37,657,959,082.69 × 12,533,218,977.69
  4. Step 4: Simplify right side
    25,120,510,665.30x = 471,975,447,436,293,963,776
  5. Step 5: Solve for x
    x = 471,975,447,436,293,963,776/25,120,510,665.30
  6. Step 6: Final answer
    x = 18,788,449,555.22

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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.