Home / 1,420,551,427.60-2,127,803,832.60-1,178,686,723.60

Finding the Fourth Proportional to 1,420,551,427.60, 2,127,803,832.60 and 1,178,686,723.60

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Solution

The fourth proportional to 1,420,551,427.60, 2,127,803,832.60 and 1,178,686,723.60 is: 1,765,521,528.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,551,427.60 : 2,127,803,832.60 = 1,178,686,723.60 : x
  2. Step 2: Convert to fraction form
    1,420,551,427.60/2,127,803,832.60 = 1,178,686,723.60/x
  3. Step 3: Cross multiply
    1,420,551,427.60x = 2,127,803,832.60 × 1,178,686,723.60
  4. Step 4: Simplify right side
    1,420,551,427.60x = 2,508,014,127,910,816,768
  5. Step 5: Solve for x
    x = 2,508,014,127,910,816,768/1,420,551,427.60
  6. Step 6: Final answer
    x = 1,765,521,528.60

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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.