Home / 1,472,201,729.71-2,031,605,688.03-812,151,832.75

Finding the Fourth Proportional to 1,472,201,729.71, 2,031,605,688.03 and 812,151,832.75

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Solution

The fourth proportional to 1,472,201,729.71, 2,031,605,688.03 and 812,151,832.75 is: 1,120,751,490.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,201,729.71 : 2,031,605,688.03 = 812,151,832.75 : x
  2. Step 2: Convert to fraction form
    1,472,201,729.71/2,031,605,688.03 = 812,151,832.75/x
  3. Step 3: Cross multiply
    1,472,201,729.71x = 2,031,605,688.03 × 812,151,832.75
  4. Step 4: Simplify right side
    1,472,201,729.71x = 1,649,972,282,958,889,216
  5. Step 5: Solve for x
    x = 1,649,972,282,958,889,216/1,472,201,729.71
  6. Step 6: Final answer
    x = 1,120,751,490.55

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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.