Home / 1,525,431,764.20-2,288,168,904.66-434,914,832.20

Finding the Fourth Proportional to 1,525,431,764.20, 2,288,168,904.66 and 434,914,832.20

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Solution

The fourth proportional to 1,525,431,764.20, 2,288,168,904.66 and 434,914,832.20 is: 652,378,309.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,431,764.20 : 2,288,168,904.66 = 434,914,832.20 : x
  2. Step 2: Convert to fraction form
    1,525,431,764.20/2,288,168,904.66 = 434,914,832.20/x
  3. Step 3: Cross multiply
    1,525,431,764.20x = 2,288,168,904.66 × 434,914,832.20
  4. Step 4: Simplify right side
    1,525,431,764.20x = 995,158,595,215,461,632
  5. Step 5: Solve for x
    x = 995,158,595,215,461,632/1,525,431,764.20
  6. Step 6: Final answer
    x = 652,378,309.26

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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.