Home / 5,131,427,244.64-7,081,369,598.16-2,784,583,788.64

Finding the Fourth Proportional to 5,131,427,244.64, 7,081,369,598.16 and 2,784,583,788.64

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Solution

The fourth proportional to 5,131,427,244.64, 7,081,369,598.16 and 2,784,583,788.64 is: 3,842,725,628.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131,427,244.64 : 7,081,369,598.16 = 2,784,583,788.64 : x
  2. Step 2: Convert to fraction form
    5,131,427,244.64/7,081,369,598.16 = 2,784,583,788.64/x
  3. Step 3: Cross multiply
    5,131,427,244.64x = 7,081,369,598.16 × 2,784,583,788.64
  4. Step 4: Simplify right side
    5,131,427,244.64x = 19,718,666,984,404,484,096
  5. Step 5: Solve for x
    x = 19,718,666,984,404,484,096/5,131,427,244.64
  6. Step 6: Final answer
    x = 3,842,725,628.63

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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.