Home / 852,995,201.37-1,279,964,931.63-416,299,502.85

Finding the Fourth Proportional to 852,995,201.37, 1,279,964,931.63 and 416,299,502.85

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Solution

The fourth proportional to 852,995,201.37, 1,279,964,931.63 and 416,299,502.85 is: 624,679,674.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,995,201.37 : 1,279,964,931.63 = 416,299,502.85 : x
  2. Step 2: Convert to fraction form
    852,995,201.37/1,279,964,931.63 = 416,299,502.85/x
  3. Step 3: Cross multiply
    852,995,201.37x = 1,279,964,931.63 × 416,299,502.85
  4. Step 4: Simplify right side
    852,995,201.37x = 532,848,764,703,003,328
  5. Step 5: Solve for x
    x = 532,848,764,703,003,328/852,995,201.37
  6. Step 6: Final answer
    x = 624,679,674.45

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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.