Home / 1,485,441,583.92-2,049,955,518.83-816,374,465.51

Finding the Fourth Proportional to 1,485,441,583.92, 2,049,955,518.83 and 816,374,465.51

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Solution

The fourth proportional to 1,485,441,583.92, 2,049,955,518.83 and 816,374,465.51 is: 1,126,622,116.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,441,583.92 : 2,049,955,518.83 = 816,374,465.51 : x
  2. Step 2: Convert to fraction form
    1,485,441,583.92/2,049,955,518.83 = 816,374,465.51/x
  3. Step 3: Cross multiply
    1,485,441,583.92x = 2,049,955,518.83 × 816,374,465.51
  4. Step 4: Simplify right side
    1,485,441,583.92x = 1,673,531,340,989,784,320
  5. Step 5: Solve for x
    x = 1,673,531,340,989,784,320/1,485,441,583.92
  6. Step 6: Final answer
    x = 1,126,622,116.35

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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.