Home / 1,392,241,788,129.10-2,088,362,190,666.80-372,332,814,626.53

Finding the Fourth Proportional to 1,392,241,788,129.10, 2,088,362,190,666.80 and 372,332,814,626.53

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Solution

The fourth proportional to 1,392,241,788,129.10, 2,088,362,190,666.80 and 372,332,814,626.53 is: 558,499,090,488.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,241,788,129.10 : 2,088,362,190,666.80 = 372,332,814,626.53 : x
  2. Step 2: Convert to fraction form
    1,392,241,788,129.10/2,088,362,190,666.80 = 372,332,814,626.53/x
  3. Step 3: Cross multiply
    1,392,241,788,129.10x = 2,088,362,190,666.80 × 372,332,814,626.53
  4. Step 4: Simplify right side
    1,392,241,788,129.10x = 777,565,772,410,595,888,332,800
  5. Step 5: Solve for x
    x = 777,565,772,410,595,888,332,800/1,392,241,788,129.10
  6. Step 6: Final answer
    x = 558,499,090,488.80

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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.