Home / 1,615,713,085.40-2,422,673,832.90-695,432,816.60

Finding the Fourth Proportional to 1,615,713,085.40, 2,422,673,832.90 and 695,432,816.60

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Solution

The fourth proportional to 1,615,713,085.40, 2,422,673,832.90 and 695,432,816.60 is: 1,042,763,658.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,713,085.40 : 2,422,673,832.90 = 695,432,816.60 : x
  2. Step 2: Convert to fraction form
    1,615,713,085.40/2,422,673,832.90 = 695,432,816.60/x
  3. Step 3: Cross multiply
    1,615,713,085.40x = 2,422,673,832.90 × 695,432,816.60
  4. Step 4: Simplify right side
    1,615,713,085.40x = 1,684,806,887,316,764,928
  5. Step 5: Solve for x
    x = 1,684,806,887,316,764,928/1,615,713,085.40
  6. Step 6: Final answer
    x = 1,042,763,658.07

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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.