Home / 792,387,108.60-1,187,955,541.76-500,639,285.63

Finding the Fourth Proportional to 792,387,108.60, 1,187,955,541.76 and 500,639,285.63

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Solution

The fourth proportional to 792,387,108.60, 1,187,955,541.76 and 500,639,285.63 is: 750,563,969.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,387,108.60 : 1,187,955,541.76 = 500,639,285.63 : x
  2. Step 2: Convert to fraction form
    792,387,108.60/1,187,955,541.76 = 500,639,285.63/x
  3. Step 3: Cross multiply
    792,387,108.60x = 1,187,955,541.76 × 500,639,285.63
  4. Step 4: Simplify right side
    792,387,108.60x = 594,737,213,778,483,072
  5. Step 5: Solve for x
    x = 594,737,213,778,483,072/792,387,108.60
  6. Step 6: Final answer
    x = 750,563,969.71

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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.