Home / 8,517,462,017.47-12,764,772,805.89-6,628,938,621.45

Finding the Fourth Proportional to 8,517,462,017.47, 12,764,772,805.89 and 6,628,938,621.45

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Solution

The fourth proportional to 8,517,462,017.47, 12,764,772,805.89 and 6,628,938,621.45 is: 9,934,519,845.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517,462,017.47 : 12,764,772,805.89 = 6,628,938,621.45 : x
  2. Step 2: Convert to fraction form
    8,517,462,017.47/12,764,772,805.89 = 6,628,938,621.45/x
  3. Step 3: Cross multiply
    8,517,462,017.47x = 12,764,772,805.89 × 6,628,938,621.45
  4. Step 4: Simplify right side
    8,517,462,017.47x = 84,616,895,446,976,921,600
  5. Step 5: Solve for x
    x = 84,616,895,446,976,921,600/8,517,462,017.47
  6. Step 6: Final answer
    x = 9,934,519,845.64

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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.