Home / 1,326,517,348.33-1,988,727,599.43-662,190,418.94

Finding the Fourth Proportional to 1,326,517,348.33, 1,988,727,599.43 and 662,190,418.94

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Solution

The fourth proportional to 1,326,517,348.33, 1,988,727,599.43 and 662,190,418.94 is: 992,762,261.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,517,348.33 : 1,988,727,599.43 = 662,190,418.94 : x
  2. Step 2: Convert to fraction form
    1,326,517,348.33/1,988,727,599.43 = 662,190,418.94/x
  3. Step 3: Cross multiply
    1,326,517,348.33x = 1,988,727,599.43 × 662,190,418.94
  4. Step 4: Simplify right side
    1,326,517,348.33x = 1,316,916,362,222,618,880
  5. Step 5: Solve for x
    x = 1,316,916,362,222,618,880/1,326,517,348.33
  6. Step 6: Final answer
    x = 992,762,261.18

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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.