Home / 811,147,588.08-1,119,383,969.76-439,869,521.04

Finding the Fourth Proportional to 811,147,588.08, 1,119,383,969.76 and 439,869,521.04

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Solution

The fourth proportional to 811,147,588.08, 1,119,383,969.76 and 439,869,521.04 is: 607,020,100.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,147,588.08 : 1,119,383,969.76 = 439,869,521.04 : x
  2. Step 2: Convert to fraction form
    811,147,588.08/1,119,383,969.76 = 439,869,521.04/x
  3. Step 3: Cross multiply
    811,147,588.08x = 1,119,383,969.76 × 439,869,521.04
  4. Step 4: Simplify right side
    811,147,588.08x = 492,382,890,638,185,088
  5. Step 5: Solve for x
    x = 492,382,890,638,185,088/811,147,588.08
  6. Step 6: Final answer
    x = 607,020,100.75

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Double scale
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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.