Home / 19,065,238,329.52-28,604,293,318.52-8,439,996,993.76

Finding the Fourth Proportional to 19,065,238,329.52, 28,604,293,318.52 and 8,439,996,993.76

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Solution

The fourth proportional to 19,065,238,329.52, 28,604,293,318.52 and 8,439,996,993.76 is: 12,662,844,567.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,065,238,329.52 : 28,604,293,318.52 = 8,439,996,993.76 : x
  2. Step 2: Convert to fraction form
    19,065,238,329.52/28,604,293,318.52 = 8,439,996,993.76/x
  3. Step 3: Cross multiply
    19,065,238,329.52x = 28,604,293,318.52 × 8,439,996,993.76
  4. Step 4: Simplify right side
    19,065,238,329.52x = 241,420,149,616,938,057,728
  5. Step 5: Solve for x
    x = 241,420,149,616,938,057,728/19,065,238,329.52
  6. Step 6: Final answer
    x = 12,662,844,567.91

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Double scale
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1.5x scale

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.