Home / 958,786,572.98-1,322,749,007.74-556,831,897.22

Finding the Fourth Proportional to 958,786,572.98, 1,322,749,007.74 and 556,831,897.22

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Solution

The fourth proportional to 958,786,572.98, 1,322,749,007.74 and 556,831,897.22 is: 768,209,380.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,786,572.98 : 1,322,749,007.74 = 556,831,897.22 : x
  2. Step 2: Convert to fraction form
    958,786,572.98/1,322,749,007.74 = 556,831,897.22/x
  3. Step 3: Cross multiply
    958,786,572.98x = 1,322,749,007.74 × 556,831,897.22
  4. Step 4: Simplify right side
    958,786,572.98x = 736,548,839,525,736,704
  5. Step 5: Solve for x
    x = 736,548,839,525,736,704/958,786,572.98
  6. Step 6: Final answer
    x = 768,209,380.78

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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.