Home / 455,514,053.60-683,271,080.40-209,870,213.60

Finding the Fourth Proportional to 455,514,053.60, 683,271,080.40 and 209,870,213.60

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Solution

The fourth proportional to 455,514,053.60, 683,271,080.40 and 209,870,213.60 is: 314,805,320.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,514,053.60 : 683,271,080.40 = 209,870,213.60 : x
  2. Step 2: Convert to fraction form
    455,514,053.60/683,271,080.40 = 209,870,213.60/x
  3. Step 3: Cross multiply
    455,514,053.60x = 683,271,080.40 × 209,870,213.60
  4. Step 4: Simplify right side
    455,514,053.60x = 143,398,247,590,250,768
  5. Step 5: Solve for x
    x = 143,398,247,590,250,768/455,514,053.60
  6. Step 6: Final answer
    x = 314,805,320.40

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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.