Home / 1,366,051,887.45-1,885,152,235.05-739,520,315.19

Finding the Fourth Proportional to 1,366,051,887.45, 1,885,152,235.05 and 739,520,315.19

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Solution

The fourth proportional to 1,366,051,887.45, 1,885,152,235.05 and 739,520,315.19 is: 1,020,538,376.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,051,887.45 : 1,885,152,235.05 = 739,520,315.19 : x
  2. Step 2: Convert to fraction form
    1,366,051,887.45/1,885,152,235.05 = 739,520,315.19/x
  3. Step 3: Cross multiply
    1,366,051,887.45x = 1,885,152,235.05 × 739,520,315.19
  4. Step 4: Simplify right side
    1,366,051,887.45x = 1,394,108,375,045,308,928
  5. Step 5: Solve for x
    x = 1,394,108,375,045,308,928/1,366,051,887.45
  6. Step 6: Final answer
    x = 1,020,538,376.22

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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.