Home / 48,287,205,079.77-72,430,790,571.90-12,913,641,129.20

Finding the Fourth Proportional to 48,287,205,079.77, 72,430,790,571.90 and 12,913,641,129.20

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Solution

The fourth proportional to 48,287,205,079.77, 72,430,790,571.90 and 12,913,641,129.20 is: 19,370,457,134.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,287,205,079.77 : 72,430,790,571.90 = 12,913,641,129.20 : x
  2. Step 2: Convert to fraction form
    48,287,205,079.77/72,430,790,571.90 = 12,913,641,129.20/x
  3. Step 3: Cross multiply
    48,287,205,079.77x = 72,430,790,571.90 × 12,913,641,129.20
  4. Step 4: Simplify right side
    48,287,205,079.77x = 935,345,236,149,397,225,472
  5. Step 5: Solve for x
    x = 935,345,236,149,397,225,472/48,287,205,079.77
  6. Step 6: Final answer
    x = 19,370,457,134.64

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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.