Home / 958,786,571.98-1,322,749,006.36-556,831,896.22

Finding the Fourth Proportional to 958,786,571.98, 1,322,749,006.36 and 556,831,896.22

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Solution

The fourth proportional to 958,786,571.98, 1,322,749,006.36 and 556,831,896.22 is: 768,209,379.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,786,571.98 : 1,322,749,006.36 = 556,831,896.22 : x
  2. Step 2: Convert to fraction form
    958,786,571.98/1,322,749,006.36 = 556,831,896.22/x
  3. Step 3: Cross multiply
    958,786,571.98x = 1,322,749,006.36 × 556,831,896.22
  4. Step 4: Simplify right side
    958,786,571.98x = 736,548,837,434,559,616
  5. Step 5: Solve for x
    x = 736,548,837,434,559,616/958,786,571.98
  6. Step 6: Final answer
    x = 768,209,379.40

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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.