Home / 1,864,512,012.80-2,796,768,019.20-1,175,197,606.40

Finding the Fourth Proportional to 1,864,512,012.80, 2,796,768,019.20 and 1,175,197,606.40

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Solution

The fourth proportional to 1,864,512,012.80, 2,796,768,019.20 and 1,175,197,606.40 is: 1,762,796,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864,512,012.80 : 2,796,768,019.20 = 1,175,197,606.40 : x
  2. Step 2: Convert to fraction form
    1,864,512,012.80/2,796,768,019.20 = 1,175,197,606.40/x
  3. Step 3: Cross multiply
    1,864,512,012.80x = 2,796,768,019.20 × 1,175,197,606.40
  4. Step 4: Simplify right side
    1,864,512,012.80x = 3,286,755,081,819,909,120
  5. Step 5: Solve for x
    x = 3,286,755,081,819,909,120/1,864,512,012.80
  6. Step 6: Final answer
    x = 1,762,796,409.60

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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.