Home / 960,819,661.76-1,325,933,087.04-520,786,811.84

Finding the Fourth Proportional to 960,819,661.76, 1,325,933,087.04 and 520,786,811.84

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Solution

The fourth proportional to 960,819,661.76, 1,325,933,087.04 and 520,786,811.84 is: 718,686,859.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,819,661.76 : 1,325,933,087.04 = 520,786,811.84 : x
  2. Step 2: Convert to fraction form
    960,819,661.76/1,325,933,087.04 = 520,786,811.84/x
  3. Step 3: Cross multiply
    960,819,661.76x = 1,325,933,087.04 × 520,786,811.84
  4. Step 4: Simplify right side
    960,819,661.76x = 690,528,465,112,730,752
  5. Step 5: Solve for x
    x = 690,528,465,112,730,752/960,819,661.76
  6. Step 6: Final answer
    x = 718,686,859.35

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Double scale
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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.