Home / 48,287,205,089.48-72,430,790,586.47-12,913,641,138.91

Finding the Fourth Proportional to 48,287,205,089.48, 72,430,790,586.47 and 12,913,641,138.91

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Solution

The fourth proportional to 48,287,205,089.48, 72,430,790,586.47 and 12,913,641,138.91 is: 19,370,457,149.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,287,205,089.48 : 72,430,790,586.47 = 12,913,641,138.91 : x
  2. Step 2: Convert to fraction form
    48,287,205,089.48/72,430,790,586.47 = 12,913,641,138.91/x
  3. Step 3: Cross multiply
    48,287,205,089.48x = 72,430,790,586.47 × 12,913,641,138.91
  4. Step 4: Simplify right side
    48,287,205,089.48x = 935,345,237,041,149,509,632
  5. Step 5: Solve for x
    x = 935,345,237,041,149,509,632/48,287,205,089.48
  6. Step 6: Final answer
    x = 19,370,457,149.22

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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.