Home / 905,162,425.20-1,357,743,637.80-445,997,401.20

Finding the Fourth Proportional to 905,162,425.20, 1,357,743,637.80 and 445,997,401.20

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Solution

The fourth proportional to 905,162,425.20, 1,357,743,637.80 and 445,997,401.20 is: 668,996,101.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,162,425.20 : 1,357,743,637.80 = 445,997,401.20 : x
  2. Step 2: Convert to fraction form
    905,162,425.20/1,357,743,637.80 = 445,997,401.20/x
  3. Step 3: Cross multiply
    905,162,425.20x = 1,357,743,637.80 × 445,997,401.20
  4. Step 4: Simplify right side
    905,162,425.20x = 605,550,133,954,633,984
  5. Step 5: Solve for x
    x = 605,550,133,954,633,984/905,162,425.20
  6. Step 6: Final answer
    x = 668,996,101.80

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Double scale
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1.5x scale

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.