Home / 672,586,349.34-1,009,170,783.20-361,330,803.48

Finding the Fourth Proportional to 672,586,349.34, 1,009,170,783.20 and 361,330,803.48

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Solution

The fourth proportional to 672,586,349.34, 1,009,170,783.20 and 361,330,803.48 is: 542,152,677.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,586,349.34 : 1,009,170,783.20 = 361,330,803.48 : x
  2. Step 2: Convert to fraction form
    672,586,349.34/1,009,170,783.20 = 361,330,803.48/x
  3. Step 3: Cross multiply
    672,586,349.34x = 1,009,170,783.20 × 361,330,803.48
  4. Step 4: Simplify right side
    672,586,349.34x = 364,644,489,943,100,224
  5. Step 5: Solve for x
    x = 364,644,489,943,100,224/672,586,349.34
  6. Step 6: Final answer
    x = 542,152,677.20

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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.