Home / 898,727,069.88-1,240,135,944.30-496,786,522.92

Finding the Fourth Proportional to 898,727,069.88, 1,240,135,944.30 and 496,786,522.92

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Solution

The fourth proportional to 898,727,069.88, 1,240,135,944.30 and 496,786,522.92 is: 685,506,027.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,727,069.88 : 1,240,135,944.30 = 496,786,522.92 : x
  2. Step 2: Convert to fraction form
    898,727,069.88/1,240,135,944.30 = 496,786,522.92/x
  3. Step 3: Cross multiply
    898,727,069.88x = 1,240,135,944.30 × 496,786,522.92
  4. Step 4: Simplify right side
    898,727,069.88x = 616,082,823,716,907,776
  5. Step 5: Solve for x
    x = 616,082,823,716,907,776/898,727,069.88
  6. Step 6: Final answer
    x = 685,506,027.76

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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.