Home / 1,613,378,355,172.40-2,420,077,935,051.90-645,367,665,299.30

Finding the Fourth Proportional to 1,613,378,355,172.40, 2,420,077,935,051.90 and 645,367,665,299.30

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Solution

The fourth proportional to 1,613,378,355,172.40, 2,420,077,935,051.90 and 645,367,665,299.30 is: 968,055,658,971.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,378,355,172.40 : 2,420,077,935,051.90 = 645,367,665,299.30 : x
  2. Step 2: Convert to fraction form
    1,613,378,355,172.40/2,420,077,935,051.90 = 645,367,665,299.30/x
  3. Step 3: Cross multiply
    1,613,378,355,172.40x = 2,420,077,935,051.90 × 645,367,665,299.30
  4. Step 4: Simplify right side
    1,613,378,355,172.40x = 1,561,840,046,786,795,706,253,312
  5. Step 5: Solve for x
    x = 1,561,840,046,786,795,706,253,312/1,613,378,355,172.40
  6. Step 6: Final answer
    x = 968,055,658,971.52

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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.