Home / 1,590,005,945.04-2,194,280,621.84-885,202,690.72

Finding the Fourth Proportional to 1,590,005,945.04, 2,194,280,621.84 and 885,202,690.72

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Solution

The fourth proportional to 1,590,005,945.04, 2,194,280,621.84 and 885,202,690.72 is: 1,221,620,030.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,005,945.04 : 2,194,280,621.84 = 885,202,690.72 : x
  2. Step 2: Convert to fraction form
    1,590,005,945.04/2,194,280,621.84 = 885,202,690.72/x
  3. Step 3: Cross multiply
    1,590,005,945.04x = 2,194,280,621.84 × 885,202,690.72
  4. Step 4: Simplify right side
    1,590,005,945.04x = 1,942,383,110,647,523,072
  5. Step 5: Solve for x
    x = 1,942,383,110,647,523,072/1,590,005,945.04
  6. Step 6: Final answer
    x = 1,221,620,030.23

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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.