Home / 934,675,515.76-1,289,882,976.95-511,279,487.82

Finding the Fourth Proportional to 934,675,515.76, 1,289,882,976.95 and 511,279,487.82

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Solution

The fourth proportional to 934,675,515.76, 1,289,882,976.95 and 511,279,487.82 is: 705,582,522.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,675,515.76 : 1,289,882,976.95 = 511,279,487.82 : x
  2. Step 2: Convert to fraction form
    934,675,515.76/1,289,882,976.95 = 511,279,487.82/x
  3. Step 3: Cross multiply
    934,675,515.76x = 1,289,882,976.95 × 511,279,487.82
  4. Step 4: Simplify right side
    934,675,515.76x = 659,490,707,808,848,256
  5. Step 5: Solve for x
    x = 659,490,707,808,848,256/934,675,515.76
  6. Step 6: Final answer
    x = 705,582,522.16

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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.