Home / 354,295,812.40-531,443,718.60-318,464,004.40

Finding the Fourth Proportional to 354,295,812.40, 531,443,718.60 and 318,464,004.40

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Solution

The fourth proportional to 354,295,812.40, 531,443,718.60 and 318,464,004.40 is: 477,696,006.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,295,812.40 : 531,443,718.60 = 318,464,004.40 : x
  2. Step 2: Convert to fraction form
    354,295,812.40/531,443,718.60 = 318,464,004.40/x
  3. Step 3: Cross multiply
    354,295,812.40x = 531,443,718.60 × 318,464,004.40
  4. Step 4: Simplify right side
    354,295,812.40x = 169,245,694,738,582,752
  5. Step 5: Solve for x
    x = 169,245,694,738,582,752/354,295,812.40
  6. Step 6: Final answer
    x = 477,696,006.60

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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.