Home / 589,014,430.45-812,845,519.76-324,705,903.21

Finding the Fourth Proportional to 589,014,430.45, 812,845,519.76 and 324,705,903.21

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Solution

The fourth proportional to 589,014,430.45, 812,845,519.76 and 324,705,903.21 is: 448,097,236.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,014,430.45 : 812,845,519.76 = 324,705,903.21 : x
  2. Step 2: Convert to fraction form
    589,014,430.45/812,845,519.76 = 324,705,903.21/x
  3. Step 3: Cross multiply
    589,014,430.45x = 812,845,519.76 × 324,705,903.21
  4. Step 4: Simplify right side
    589,014,430.45x = 263,935,738,664,684,480
  5. Step 5: Solve for x
    x = 263,935,738,664,684,480/589,014,430.45
  6. Step 6: Final answer
    x = 448,097,236.71

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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.