Home / 1,128,600,723.80-1,557,488,246.05-619,984,877.83

Finding the Fourth Proportional to 1,128,600,723.80, 1,557,488,246.05 and 619,984,877.83

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Solution

The fourth proportional to 1,128,600,723.80, 1,557,488,246.05 and 619,984,877.83 is: 855,589,704.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,600,723.80 : 1,557,488,246.05 = 619,984,877.83 : x
  2. Step 2: Convert to fraction form
    1,128,600,723.80/1,557,488,246.05 = 619,984,877.83/x
  3. Step 3: Cross multiply
    1,128,600,723.80x = 1,557,488,246.05 × 619,984,877.83
  4. Step 4: Simplify right side
    1,128,600,723.80x = 965,619,159,945,820,416
  5. Step 5: Solve for x
    x = 965,619,159,945,820,416/1,128,600,723.80
  6. Step 6: Final answer
    x = 855,589,704.65

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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.