Home / 605,943,629.28-906,912,761.10-551,492,890.32

Finding the Fourth Proportional to 605,943,629.28, 906,912,761.10 and 551,492,890.32

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Solution

The fourth proportional to 605,943,629.28, 906,912,761.10 and 551,492,890.32 is: 825,416,615.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,943,629.28 : 906,912,761.10 = 551,492,890.32 : x
  2. Step 2: Convert to fraction form
    605,943,629.28/906,912,761.10 = 551,492,890.32/x
  3. Step 3: Cross multiply
    605,943,629.28x = 906,912,761.10 × 551,492,890.32
  4. Step 4: Simplify right side
    605,943,629.28x = 500,155,939,887,130,752
  5. Step 5: Solve for x
    x = 500,155,939,887,130,752/605,943,629.28
  6. Step 6: Final answer
    x = 825,416,615.87

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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.