Home / 926,325,320.40-1,388,212,522.20-614,546,600.40

Finding the Fourth Proportional to 926,325,320.40, 1,388,212,522.20 and 614,546,600.40

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Solution

The fourth proportional to 926,325,320.40, 1,388,212,522.20 and 614,546,600.40 is: 920,973,730.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,325,320.40 : 1,388,212,522.20 = 614,546,600.40 : x
  2. Step 2: Convert to fraction form
    926,325,320.40/1,388,212,522.20 = 614,546,600.40/x
  3. Step 3: Cross multiply
    926,325,320.40x = 1,388,212,522.20 × 614,546,600.40
  4. Step 4: Simplify right side
    926,325,320.40x = 853,121,286,150,719,488
  5. Step 5: Solve for x
    x = 853,121,286,150,719,488/926,325,320.40
  6. Step 6: Final answer
    x = 920,973,730.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.