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Finding the Fourth Proportional to 1,443,774,860.04, 1,992,411,832.50 and 783,725,585.16

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Solution

The fourth proportional to 1,443,774,860.04, 1,992,411,832.50 and 783,725,585.16 is: 1,081,542,678.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,774,860.04 : 1,992,411,832.50 = 783,725,585.16 : x
  2. Step 2: Convert to fraction form
    1,443,774,860.04/1,992,411,832.50 = 783,725,585.16/x
  3. Step 3: Cross multiply
    1,443,774,860.04x = 1,992,411,832.50 × 783,725,585.16
  4. Step 4: Simplify right side
    1,443,774,860.04x = 1,561,504,129,305,770,240
  5. Step 5: Solve for x
    x = 1,561,504,129,305,770,240/1,443,774,860.04
  6. Step 6: Final answer
    x = 1,081,542,678.52

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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.