Home / 12,178,076,315.96-16,805,781,515.21-6,752,994,113.06

Finding the Fourth Proportional to 12,178,076,315.96, 16,805,781,515.21 and 6,752,994,113.06

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Solution

The fourth proportional to 12,178,076,315.96, 16,805,781,515.21 and 6,752,994,113.06 is: 9,319,151,949.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,178,076,315.96 : 16,805,781,515.21 = 6,752,994,113.06 : x
  2. Step 2: Convert to fraction form
    12,178,076,315.96/16,805,781,515.21 = 6,752,994,113.06/x
  3. Step 3: Cross multiply
    12,178,076,315.96x = 16,805,781,515.21 × 6,752,994,113.06
  4. Step 4: Simplify right side
    12,178,076,315.96x = 113,489,343,637,467,906,048
  5. Step 5: Solve for x
    x = 113,489,343,637,467,906,048/12,178,076,315.96
  6. Step 6: Final answer
    x = 9,319,151,949.21

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1.5x scale

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.