Home / 856,458,535.16-1,181,912,776.80-485,180,566.04

Finding the Fourth Proportional to 856,458,535.16, 1,181,912,776.80 and 485,180,566.04

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Solution

The fourth proportional to 856,458,535.16, 1,181,912,776.80 and 485,180,566.04 is: 669,549,180.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,458,535.16 : 1,181,912,776.80 = 485,180,566.04 : x
  2. Step 2: Convert to fraction form
    856,458,535.16/1,181,912,776.80 = 485,180,566.04/x
  3. Step 3: Cross multiply
    856,458,535.16x = 1,181,912,776.80 × 485,180,566.04
  4. Step 4: Simplify right side
    856,458,535.16x = 573,441,110,057,732,160
  5. Step 5: Solve for x
    x = 573,441,110,057,732,160/856,458,535.16
  6. Step 6: Final answer
    x = 669,549,180.16

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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.