Home / 303,345,039.60-455,017,559.40-242,878,863.60

Finding the Fourth Proportional to 303,345,039.60, 455,017,559.40 and 242,878,863.60

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Solution

The fourth proportional to 303,345,039.60, 455,017,559.40 and 242,878,863.60 is: 364,318,295.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,345,039.60 : 455,017,559.40 = 242,878,863.60 : x
  2. Step 2: Convert to fraction form
    303,345,039.60/455,017,559.40 = 242,878,863.60/x
  3. Step 3: Cross multiply
    303,345,039.60x = 455,017,559.40 × 242,878,863.60
  4. Step 4: Simplify right side
    303,345,039.60x = 110,514,147,745,117,488
  5. Step 5: Solve for x
    x = 110,514,147,745,117,488/303,345,039.60
  6. Step 6: Final answer
    x = 364,318,295.40

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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.