Home / 8,448,943,999.40-12,673,415,999.10-7,722,752,690.60

Finding the Fourth Proportional to 8,448,943,999.40, 12,673,415,999.10 and 7,722,752,690.60

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Solution

The fourth proportional to 8,448,943,999.40, 12,673,415,999.10 and 7,722,752,690.60 is: 11,584,129,035.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448,943,999.40 : 12,673,415,999.10 = 7,722,752,690.60 : x
  2. Step 2: Convert to fraction form
    8,448,943,999.40/12,673,415,999.10 = 7,722,752,690.60/x
  3. Step 3: Cross multiply
    8,448,943,999.40x = 12,673,415,999.10 × 7,722,752,690.60
  4. Step 4: Simplify right side
    8,448,943,999.40x = 97,873,657,506,142,617,600
  5. Step 5: Solve for x
    x = 97,873,657,506,142,617,600/8,448,943,999.40
  6. Step 6: Final answer
    x = 11,584,129,035.90

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1.5x scale

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.