Home / 407,885,783,947.16-562,884,131,802.08-222,491,533,109.24

Finding the Fourth Proportional to 407,885,783,947.16, 562,884,131,802.08 and 222,491,533,109.24

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Solution

The fourth proportional to 407,885,783,947.16, 562,884,131,802.08 and 222,491,533,109.24 is: 307,039,270,247.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,885,783,947.16 : 562,884,131,802.08 = 222,491,533,109.24 : x
  2. Step 2: Convert to fraction form
    407,885,783,947.16/562,884,131,802.08 = 222,491,533,109.24/x
  3. Step 3: Cross multiply
    407,885,783,947.16x = 562,884,131,802.08 × 222,491,533,109.24
  4. Step 4: Simplify right side
    407,885,783,947.16x = 125,236,953,447,508,274,577,408
  5. Step 5: Solve for x
    x = 125,236,953,447,508,274,577,408/407,885,783,947.16
  6. Step 6: Final answer
    x = 307,039,270,247.61

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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.