Home / 1,415,511,882.80-2,122,927,197.56-432,946,905.56

Finding the Fourth Proportional to 1,415,511,882.80, 2,122,927,197.56 and 432,946,905.56

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Solution

The fourth proportional to 1,415,511,882.80, 2,122,927,197.56 and 432,946,905.56 is: 649,316,174.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,511,882.80 : 2,122,927,197.56 = 432,946,905.56 : x
  2. Step 2: Convert to fraction form
    1,415,511,882.80/2,122,927,197.56 = 432,946,905.56/x
  3. Step 3: Cross multiply
    1,415,511,882.80x = 2,122,927,197.56 × 432,946,905.56
  4. Step 4: Simplify right side
    1,415,511,882.80x = 919,114,760,912,764,800
  5. Step 5: Solve for x
    x = 919,114,760,912,764,800/1,415,511,882.80
  6. Step 6: Final answer
    x = 649,316,174.65

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1.5x scale

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.