Home / 1,159,888,943.10-1,739,833,414.65-393,984,047.10

Finding the Fourth Proportional to 1,159,888,943.10, 1,739,833,414.65 and 393,984,047.10

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Solution

The fourth proportional to 1,159,888,943.10, 1,739,833,414.65 and 393,984,047.10 is: 590,976,070.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,888,943.10 : 1,739,833,414.65 = 393,984,047.10 : x
  2. Step 2: Convert to fraction form
    1,159,888,943.10/1,739,833,414.65 = 393,984,047.10/x
  3. Step 3: Cross multiply
    1,159,888,943.10x = 1,739,833,414.65 × 393,984,047.10
  4. Step 4: Simplify right side
    1,159,888,943.10x = 685,466,609,983,619,456
  5. Step 5: Solve for x
    x = 685,466,609,983,619,456/1,159,888,943.10
  6. Step 6: Final answer
    x = 590,976,070.65

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Double scale
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Similar ratio
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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.