Home / 856,069,895.08-1,181,449,313.22-484,857,962.92

Finding the Fourth Proportional to 856,069,895.08, 1,181,449,313.22 and 484,857,962.92

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Solution

The fourth proportional to 856,069,895.08, 1,181,449,313.22 and 484,857,962.92 is: 669,145,253.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,069,895.08 : 1,181,449,313.22 = 484,857,962.92 : x
  2. Step 2: Convert to fraction form
    856,069,895.08/1,181,449,313.22 = 484,857,962.92/x
  3. Step 3: Cross multiply
    856,069,895.08x = 1,181,449,313.22 × 484,857,962.92
  4. Step 4: Simplify right side
    856,069,895.08x = 572,835,107,301,082,240
  5. Step 5: Solve for x
    x = 572,835,107,301,082,240/856,069,895.08
  6. Step 6: Final answer
    x = 669,145,253.90

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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.