Home / 734,864,532.56-1,014,111,279.36-400,339,803.92

Finding the Fourth Proportional to 734,864,532.56, 1,014,111,279.36 and 400,339,803.92

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Solution

The fourth proportional to 734,864,532.56, 1,014,111,279.36 and 400,339,803.92 is: 552,467,962.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,864,532.56 : 1,014,111,279.36 = 400,339,803.92 : x
  2. Step 2: Convert to fraction form
    734,864,532.56/1,014,111,279.36 = 400,339,803.92/x
  3. Step 3: Cross multiply
    734,864,532.56x = 1,014,111,279.36 × 400,339,803.92
  4. Step 4: Simplify right side
    734,864,532.56x = 405,989,110,726,972,224
  5. Step 5: Solve for x
    x = 405,989,110,726,972,224/734,864,532.56
  6. Step 6: Final answer
    x = 552,467,962.11

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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.