Home / 48,287,205,105.82-72,430,790,610.99-12,913,641,155.23

Finding the Fourth Proportional to 48,287,205,105.82, 72,430,790,610.99 and 12,913,641,155.23

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Solution

The fourth proportional to 48,287,205,105.82, 72,430,790,610.99 and 12,913,641,155.23 is: 19,370,457,173.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,287,205,105.82 : 72,430,790,610.99 = 12,913,641,155.23 : x
  2. Step 2: Convert to fraction form
    48,287,205,105.82/72,430,790,610.99 = 12,913,641,155.23/x
  3. Step 3: Cross multiply
    48,287,205,105.82x = 72,430,790,610.99 × 12,913,641,155.23
  4. Step 4: Simplify right side
    48,287,205,105.82x = 935,345,238,539,927,158,784
  5. Step 5: Solve for x
    x = 935,345,238,539,927,158,784/48,287,205,105.82
  6. Step 6: Final answer
    x = 19,370,457,173.70

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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.