Home / 1,282,649,360.72-1,770,129,055.82-718,129,303.52

Finding the Fourth Proportional to 1,282,649,360.72, 1,770,129,055.82 and 718,129,303.52

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Solution

The fourth proportional to 1,282,649,360.72, 1,770,129,055.82 and 718,129,303.52 is: 991,059,275.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,649,360.72 : 1,770,129,055.82 = 718,129,303.52 : x
  2. Step 2: Convert to fraction form
    1,282,649,360.72/1,770,129,055.82 = 718,129,303.52/x
  3. Step 3: Cross multiply
    1,282,649,360.72x = 1,770,129,055.82 × 718,129,303.52
  4. Step 4: Simplify right side
    1,282,649,360.72x = 1,271,181,545,984,090,624
  5. Step 5: Solve for x
    x = 1,271,181,545,984,090,624/1,282,649,360.72
  6. Step 6: Final answer
    x = 991,059,275.37

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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.