Home / 12,178,076,314.71-16,805,781,513.48-6,752,994,111.80

Finding the Fourth Proportional to 12,178,076,314.71, 16,805,781,513.48 and 6,752,994,111.80

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Solution

The fourth proportional to 12,178,076,314.71, 16,805,781,513.48 and 6,752,994,111.80 is: 9,319,151,947.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,178,076,314.71 : 16,805,781,513.48 = 6,752,994,111.80 : x
  2. Step 2: Convert to fraction form
    12,178,076,314.71/16,805,781,513.48 = 6,752,994,111.80/x
  3. Step 3: Cross multiply
    12,178,076,314.71x = 16,805,781,513.48 × 6,752,994,111.80
  4. Step 4: Simplify right side
    12,178,076,314.71x = 113,489,343,604,758,020,096
  5. Step 5: Solve for x
    x = 113,489,343,604,758,020,096/12,178,076,314.71
  6. Step 6: Final answer
    x = 9,319,151,947.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.