Home / 919,908,849.30-1,379,863,273.95-552,576,830.10

Finding the Fourth Proportional to 919,908,849.30, 1,379,863,273.95 and 552,576,830.10

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Solution

The fourth proportional to 919,908,849.30, 1,379,863,273.95 and 552,576,830.10 is: 828,865,245.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,908,849.30 : 1,379,863,273.95 = 552,576,830.10 : x
  2. Step 2: Convert to fraction form
    919,908,849.30/1,379,863,273.95 = 552,576,830.10/x
  3. Step 3: Cross multiply
    919,908,849.30x = 1,379,863,273.95 × 552,576,830.10
  4. Step 4: Simplify right side
    919,908,849.30x = 762,480,473,890,699,008
  5. Step 5: Solve for x
    x = 762,480,473,890,699,008/919,908,849.30
  6. Step 6: Final answer
    x = 828,865,245.15

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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.