Home / 2,528,396,513.98-3,489,194,654.36-1,399,444,689.40

Finding the Fourth Proportional to 2,528,396,513.98, 3,489,194,654.36 and 1,399,444,689.40

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Solution

The fourth proportional to 2,528,396,513.98, 3,489,194,654.36 and 1,399,444,689.40 is: 1,931,237,803.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528,396,513.98 : 3,489,194,654.36 = 1,399,444,689.40 : x
  2. Step 2: Convert to fraction form
    2,528,396,513.98/3,489,194,654.36 = 1,399,444,689.40/x
  3. Step 3: Cross multiply
    2,528,396,513.98x = 3,489,194,654.36 × 1,399,444,689.40
  4. Step 4: Simplify right side
    2,528,396,513.98x = 4,882,934,929,326,970,880
  5. Step 5: Solve for x
    x = 4,882,934,929,326,970,880/2,528,396,513.98
  6. Step 6: Final answer
    x = 1,931,237,803.22

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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.