Home / 919,847,235.32-1,379,693,126.58-298,049,306.36

Finding the Fourth Proportional to 919,847,235.32, 1,379,693,126.58 and 298,049,306.36

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Solution

The fourth proportional to 919,847,235.32, 1,379,693,126.58 and 298,049,306.36 is: 447,048,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,847,235.32 : 1,379,693,126.58 = 298,049,306.36 : x
  2. Step 2: Convert to fraction form
    919,847,235.32/1,379,693,126.58 = 298,049,306.36/x
  3. Step 3: Cross multiply
    919,847,235.32x = 1,379,693,126.58 × 298,049,306.36
  4. Step 4: Simplify right side
    919,847,235.32x = 411,216,579,366,828,672
  5. Step 5: Solve for x
    x = 411,216,579,366,828,672/919,847,235.32
  6. Step 6: Final answer
    x = 447,048,774.60

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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.