Home / 1,379,536,261.20-1,903,475,849.16-792,712,023.12

Finding the Fourth Proportional to 1,379,536,261.20, 1,903,475,849.16 and 792,712,023.12

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Solution

The fourth proportional to 1,379,536,261.20, 1,903,475,849.16 and 792,712,023.12 is: 1,093,779,289.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,536,261.20 : 1,903,475,849.16 = 792,712,023.12 : x
  2. Step 2: Convert to fraction form
    1,379,536,261.20/1,903,475,849.16 = 792,712,023.12/x
  3. Step 3: Cross multiply
    1,379,536,261.20x = 1,903,475,849.16 × 792,712,023.12
  4. Step 4: Simplify right side
    1,379,536,261.20x = 1,508,908,191,347,683,584
  5. Step 5: Solve for x
    x = 1,508,908,191,347,683,584/1,379,536,261.20
  6. Step 6: Final answer
    x = 1,093,779,289.31

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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.