Home / 1,640,919,052.80-2,460,781,382.40-822,759,436.80

Finding the Fourth Proportional to 1,640,919,052.80, 2,460,781,382.40 and 822,759,436.80

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Solution

The fourth proportional to 1,640,919,052.80, 2,460,781,382.40 and 822,759,436.80 is: 1,233,839,719.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,919,052.80 : 2,460,781,382.40 = 822,759,436.80 : x
  2. Step 2: Convert to fraction form
    1,640,919,052.80/2,460,781,382.40 = 822,759,436.80/x
  3. Step 3: Cross multiply
    1,640,919,052.80x = 2,460,781,382.40 × 822,759,436.80
  4. Step 4: Simplify right side
    1,640,919,052.80x = 2,024,631,104,271,349,504
  5. Step 5: Solve for x
    x = 2,024,631,104,271,349,504/1,640,919,052.80
  6. Step 6: Final answer
    x = 1,233,839,719.77

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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.