Home / 393,326,269.60-589,989,404.40-189,252,925.60

Finding the Fourth Proportional to 393,326,269.60, 589,989,404.40 and 189,252,925.60

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Solution

The fourth proportional to 393,326,269.60, 589,989,404.40 and 189,252,925.60 is: 283,879,388.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,326,269.60 : 589,989,404.40 = 189,252,925.60 : x
  2. Step 2: Convert to fraction form
    393,326,269.60/589,989,404.40 = 189,252,925.60/x
  3. Step 3: Cross multiply
    393,326,269.60x = 589,989,404.40 × 189,252,925.60
  4. Step 4: Simplify right side
    393,326,269.60x = 111,657,220,855,701,504
  5. Step 5: Solve for x
    x = 111,657,220,855,701,504/393,326,269.60
  6. Step 6: Final answer
    x = 283,879,388.40

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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.