Home / 1,022,822,718.88-1,411,879,197.46-670,421,419.68

Finding the Fourth Proportional to 1,022,822,718.88, 1,411,879,197.46 and 670,421,419.68

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Solution

The fourth proportional to 1,022,822,718.88, 1,411,879,197.46 and 670,421,419.68 is: 925,433,155.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,822,718.88 : 1,411,879,197.46 = 670,421,419.68 : x
  2. Step 2: Convert to fraction form
    1,022,822,718.88/1,411,879,197.46 = 670,421,419.68/x
  3. Step 3: Cross multiply
    1,022,822,718.88x = 1,411,879,197.46 × 670,421,419.68
  4. Step 4: Simplify right side
    1,022,822,718.88x = 946,554,055,977,792,256
  5. Step 5: Solve for x
    x = 946,554,055,977,792,256/1,022,822,718.88
  6. Step 6: Final answer
    x = 925,433,155.23

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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.