Home / 1,379,536,259.20-1,903,475,846.40-792,712,021.12

Finding the Fourth Proportional to 1,379,536,259.20, 1,903,475,846.40 and 792,712,021.12

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Solution

The fourth proportional to 1,379,536,259.20, 1,903,475,846.40 and 792,712,021.12 is: 1,093,779,286.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,536,259.20 : 1,903,475,846.40 = 792,712,021.12 : x
  2. Step 2: Convert to fraction form
    1,379,536,259.20/1,903,475,846.40 = 792,712,021.12/x
  3. Step 3: Cross multiply
    1,379,536,259.20x = 1,903,475,846.40 × 792,712,021.12
  4. Step 4: Simplify right side
    1,379,536,259.20x = 1,508,908,185,352,846,848
  5. Step 5: Solve for x
    x = 1,508,908,185,352,846,848/1,379,536,259.20
  6. Step 6: Final answer
    x = 1,093,779,286.55

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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.