Home / 455,514,054.60-683,271,081.90-209,870,214.60

Finding the Fourth Proportional to 455,514,054.60, 683,271,081.90 and 209,870,214.60

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Solution

The fourth proportional to 455,514,054.60, 683,271,081.90 and 209,870,214.60 is: 314,805,321.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,514,054.60 : 683,271,081.90 = 209,870,214.60 : x
  2. Step 2: Convert to fraction form
    455,514,054.60/683,271,081.90 = 209,870,214.60/x
  3. Step 3: Cross multiply
    455,514,054.60x = 683,271,081.90 × 209,870,214.60
  4. Step 4: Simplify right side
    455,514,054.60x = 143,398,248,588,327,168
  5. Step 5: Solve for x
    x = 143,398,248,588,327,168/455,514,054.60
  6. Step 6: Final answer
    x = 314,805,321.90

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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.