Home / 303,345,048.60-455,017,572.90-242,878,872.60

Finding the Fourth Proportional to 303,345,048.60, 455,017,572.90 and 242,878,872.60

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Solution

The fourth proportional to 303,345,048.60, 455,017,572.90 and 242,878,872.60 is: 364,318,308.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,345,048.60 : 455,017,572.90 = 242,878,872.60 : x
  2. Step 2: Convert to fraction form
    303,345,048.60/455,017,572.90 = 242,878,872.60/x
  3. Step 3: Cross multiply
    303,345,048.60x = 455,017,572.90 × 242,878,872.60
  4. Step 4: Simplify right side
    303,345,048.60x = 110,514,155,119,140,304
  5. Step 5: Solve for x
    x = 110,514,155,119,140,304/303,345,048.60
  6. Step 6: Final answer
    x = 364,318,308.90

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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.