Home / 740,649,310.28-1,111,220,932.08-492,632,332.70

Finding the Fourth Proportional to 740,649,310.28, 1,111,220,932.08 and 492,632,332.70

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Solution

The fourth proportional to 740,649,310.28, 1,111,220,932.08 and 492,632,332.70 is: 739,112,765.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,649,310.28 : 1,111,220,932.08 = 492,632,332.70 : x
  2. Step 2: Convert to fraction form
    740,649,310.28/1,111,220,932.08 = 492,632,332.70/x
  3. Step 3: Cross multiply
    740,649,310.28x = 1,111,220,932.08 × 492,632,332.70
  4. Step 4: Simplify right side
    740,649,310.28x = 547,423,359,915,638,592
  5. Step 5: Solve for x
    x = 547,423,359,915,638,592/740,649,310.28
  6. Step 6: Final answer
    x = 739,112,765.40

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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.