Home / 740,649,302.28-1,111,220,920.08-492,632,324.69

Finding the Fourth Proportional to 740,649,302.28, 1,111,220,920.08 and 492,632,324.69

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Solution

The fourth proportional to 740,649,302.28, 1,111,220,920.08 and 492,632,324.69 is: 739,112,753.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,649,302.28 : 1,111,220,920.08 = 492,632,324.69 : x
  2. Step 2: Convert to fraction form
    740,649,302.28/1,111,220,920.08 = 492,632,324.69/x
  3. Step 3: Cross multiply
    740,649,302.28x = 1,111,220,920.08 × 492,632,324.69
  4. Step 4: Simplify right side
    740,649,302.28x = 547,423,345,097,614,976
  5. Step 5: Solve for x
    x = 547,423,345,097,614,976/740,649,302.28
  6. Step 6: Final answer
    x = 739,112,753.38

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Double scale
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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.