Home / 1,255,674,078.88-1,732,816,477.20-691,146,890.56

Finding the Fourth Proportional to 1,255,674,078.88, 1,732,816,477.20 and 691,146,890.56

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Solution

The fourth proportional to 1,255,674,078.88, 1,732,816,477.20 and 691,146,890.56 is: 953,775,139.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,674,078.88 : 1,732,816,477.20 = 691,146,890.56 : x
  2. Step 2: Convert to fraction form
    1,255,674,078.88/1,732,816,477.20 = 691,146,890.56/x
  3. Step 3: Cross multiply
    1,255,674,078.88x = 1,732,816,477.20 × 691,146,890.56
  4. Step 4: Simplify right side
    1,255,674,078.88x = 1,197,630,720,127,912,960
  5. Step 5: Solve for x
    x = 1,197,630,720,127,912,960/1,255,674,078.88
  6. Step 6: Final answer
    x = 953,775,139.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.