Home / 1,191,067,403.72-1,784,966,658.86-753,584,923.40

Finding the Fourth Proportional to 1,191,067,403.72, 1,784,966,658.86 and 753,584,923.40

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Solution

The fourth proportional to 1,191,067,403.72, 1,784,966,658.86 and 753,584,923.40 is: 1,129,343,275.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,067,403.72 : 1,784,966,658.86 = 753,584,923.40 : x
  2. Step 2: Convert to fraction form
    1,191,067,403.72/1,784,966,658.86 = 753,584,923.40/x
  3. Step 3: Cross multiply
    1,191,067,403.72x = 1,784,966,658.86 × 753,584,923.40
  4. Step 4: Simplify right side
    1,191,067,403.72x = 1,345,123,962,893,825,024
  5. Step 5: Solve for x
    x = 1,345,123,962,893,825,024/1,191,067,403.72
  6. Step 6: Final answer
    x = 1,129,343,275.36

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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.