Home / 746,808,925.20-1,120,213,387.80-402,435,157.20

Finding the Fourth Proportional to 746,808,925.20, 1,120,213,387.80 and 402,435,157.20

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Solution

The fourth proportional to 746,808,925.20, 1,120,213,387.80 and 402,435,157.20 is: 603,652,735.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,808,925.20 : 1,120,213,387.80 = 402,435,157.20 : x
  2. Step 2: Convert to fraction form
    746,808,925.20/1,120,213,387.80 = 402,435,157.20/x
  3. Step 3: Cross multiply
    746,808,925.20x = 1,120,213,387.80 × 402,435,157.20
  4. Step 4: Simplify right side
    746,808,925.20x = 450,813,250,816,837,504
  5. Step 5: Solve for x
    x = 450,813,250,816,837,504/746,808,925.20
  6. Step 6: Final answer
    x = 603,652,735.80

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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.