Home / 843,939,742.54-1,164,621,430.20-467,594,957.56

Finding the Fourth Proportional to 843,939,742.54, 1,164,621,430.20 and 467,594,957.56

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Solution

The fourth proportional to 843,939,742.54, 1,164,621,430.20 and 467,594,957.56 is: 645,272,500.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,939,742.54 : 1,164,621,430.20 = 467,594,957.56 : x
  2. Step 2: Convert to fraction form
    843,939,742.54/1,164,621,430.20 = 467,594,957.56/x
  3. Step 3: Cross multiply
    843,939,742.54x = 1,164,621,430.20 × 467,594,957.56
  4. Step 4: Simplify right side
    843,939,742.54x = 544,571,108,227,835,520
  5. Step 5: Solve for x
    x = 544,571,108,227,835,520/843,939,742.54
  6. Step 6: Final answer
    x = 645,272,500.84

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Double scale
Find fourth proportional to 843,939,743.54, 1,164,621,431.58 and 467,594,958.56
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.