Home / 816,435,769.48-1,224,658,525.76-203,019,995.23

Finding the Fourth Proportional to 816,435,769.48, 1,224,658,525.76 and 203,019,995.23

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Solution

The fourth proportional to 816,435,769.48, 1,224,658,525.76 and 203,019,995.23 is: 304,531,204.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,435,769.48 : 1,224,658,525.76 = 203,019,995.23 : x
  2. Step 2: Convert to fraction form
    816,435,769.48/1,224,658,525.76 = 203,019,995.23/x
  3. Step 3: Cross multiply
    816,435,769.48x = 1,224,658,525.76 × 203,019,995.23
  4. Step 4: Simplify right side
    816,435,769.48x = 248,630,168,054,868,768
  5. Step 5: Solve for x
    x = 248,630,168,054,868,768/816,435,769.48
  6. Step 6: Final answer
    x = 304,531,204.23

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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.