Home / 862,275,461.80-1,293,413,192.70-248,879,698.60

Finding the Fourth Proportional to 862,275,461.80, 1,293,413,192.70 and 248,879,698.60

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Solution

The fourth proportional to 862,275,461.80, 1,293,413,192.70 and 248,879,698.60 is: 373,319,547.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,275,461.80 : 1,293,413,192.70 = 248,879,698.60 : x
  2. Step 2: Convert to fraction form
    862,275,461.80/1,293,413,192.70 = 248,879,698.60/x
  3. Step 3: Cross multiply
    862,275,461.80x = 1,293,413,192.70 × 248,879,698.60
  4. Step 4: Simplify right side
    862,275,461.80x = 321,904,285,564,439,744
  5. Step 5: Solve for x
    x = 321,904,285,564,439,744/862,275,461.80
  6. Step 6: Final answer
    x = 373,319,547.90

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Double scale
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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.