Home / 730,490,136.22-1,008,914,161.82-480,709,622.47

Finding the Fourth Proportional to 730,490,136.22, 1,008,914,161.82 and 480,709,622.47

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Solution

The fourth proportional to 730,490,136.22, 1,008,914,161.82 and 480,709,622.47 is: 663,930,588.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,490,136.22 : 1,008,914,161.82 = 480,709,622.47 : x
  2. Step 2: Convert to fraction form
    730,490,136.22/1,008,914,161.82 = 480,709,622.47/x
  3. Step 3: Cross multiply
    730,490,136.22x = 1,008,914,161.82 × 480,709,622.47
  4. Step 4: Simplify right side
    730,490,136.22x = 484,994,745,834,250,368
  5. Step 5: Solve for x
    x = 484,994,745,834,250,368/730,490,136.22
  6. Step 6: Final answer
    x = 663,930,588.23

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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.