Home / 1,090,158,623.70-1,635,450,511.95-468,372,653.70

Finding the Fourth Proportional to 1,090,158,623.70, 1,635,450,511.95 and 468,372,653.70

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Solution

The fourth proportional to 1,090,158,623.70, 1,635,450,511.95 and 468,372,653.70 is: 702,650,311.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,158,623.70 : 1,635,450,511.95 = 468,372,653.70 : x
  2. Step 2: Convert to fraction form
    1,090,158,623.70/1,635,450,511.95 = 468,372,653.70/x
  3. Step 3: Cross multiply
    1,090,158,623.70x = 1,635,450,511.95 × 468,372,653.70
  4. Step 4: Simplify right side
    1,090,158,623.70x = 766,000,296,277,045,120
  5. Step 5: Solve for x
    x = 766,000,296,277,045,120/1,090,158,623.70
  6. Step 6: Final answer
    x = 702,650,311.27

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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.