Home / 1,216,844,622.16-1,679,335,775.27-681,049,873.78

Finding the Fourth Proportional to 1,216,844,622.16, 1,679,335,775.27 and 681,049,873.78

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Solution

The fourth proportional to 1,216,844,622.16, 1,679,335,775.27 and 681,049,873.78 is: 939,899,307.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,844,622.16 : 1,679,335,775.27 = 681,049,873.78 : x
  2. Step 2: Convert to fraction form
    1,216,844,622.16/1,679,335,775.27 = 681,049,873.78/x
  3. Step 3: Cross multiply
    1,216,844,622.16x = 1,679,335,775.27 × 681,049,873.78
  4. Step 4: Simplify right side
    1,216,844,622.16x = 1,143,711,417,776,788,224
  5. Step 5: Solve for x
    x = 1,143,711,417,776,788,224/1,216,844,622.16
  6. Step 6: Final answer
    x = 939,899,307.56

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Double scale
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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.