Home / 3,539,811,651.78-4,884,940,557.69-1,953,903,909.33

Finding the Fourth Proportional to 3,539,811,651.78, 4,884,940,557.69 and 1,953,903,909.33

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Solution

The fourth proportional to 3,539,811,651.78, 4,884,940,557.69 and 1,953,903,909.33 is: 2,696,387,658.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539,811,651.78 : 4,884,940,557.69 = 1,953,903,909.33 : x
  2. Step 2: Convert to fraction form
    3,539,811,651.78/4,884,940,557.69 = 1,953,903,909.33/x
  3. Step 3: Cross multiply
    3,539,811,651.78x = 4,884,940,557.69 × 1,953,903,909.33
  4. Step 4: Simplify right side
    3,539,811,651.78x = 9,544,704,452,515,160,064
  5. Step 5: Solve for x
    x = 9,544,704,452,515,160,064/3,539,811,651.78
  6. Step 6: Final answer
    x = 2,696,387,658.85

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Double scale
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1.5x scale

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.