Home / 695,914,320.90-1,043,181,967.73-326,788,501.55

Finding the Fourth Proportional to 695,914,320.90, 1,043,181,967.73 and 326,788,501.55

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Solution

The fourth proportional to 695,914,320.90, 1,043,181,967.73 and 326,788,501.55 is: 489,858,969.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,914,320.90 : 1,043,181,967.73 = 326,788,501.55 : x
  2. Step 2: Convert to fraction form
    695,914,320.90/1,043,181,967.73 = 326,788,501.55/x
  3. Step 3: Cross multiply
    695,914,320.90x = 1,043,181,967.73 × 326,788,501.55
  4. Step 4: Simplify right side
    695,914,320.90x = 340,899,872,071,617,344
  5. Step 5: Solve for x
    x = 340,899,872,071,617,344/695,914,320.90
  6. Step 6: Final answer
    x = 489,858,969.46

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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.