Home / 1,036,253,715.48-1,555,079,967.01-405,907,586.23

Finding the Fourth Proportional to 1,036,253,715.48, 1,555,079,967.01 and 405,907,586.23

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Solution

The fourth proportional to 1,036,253,715.48, 1,555,079,967.01 and 405,907,586.23 is: 609,135,336.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,253,715.48 : 1,555,079,967.01 = 405,907,586.23 : x
  2. Step 2: Convert to fraction form
    1,036,253,715.48/1,555,079,967.01 = 405,907,586.23/x
  3. Step 3: Cross multiply
    1,036,253,715.48x = 1,555,079,967.01 × 405,907,586.23
  4. Step 4: Simplify right side
    1,036,253,715.48x = 631,218,755,803,657,216
  5. Step 5: Solve for x
    x = 631,218,755,803,657,216/1,036,253,715.48
  6. Step 6: Final answer
    x = 609,135,336.62

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Double scale
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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.