Home / 314,928,683.20-472,393,024.80-306,425,627.20

Finding the Fourth Proportional to 314,928,683.20, 472,393,024.80 and 306,425,627.20

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Solution

The fourth proportional to 314,928,683.20, 472,393,024.80 and 306,425,627.20 is: 459,638,440.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,683.20 : 472,393,024.80 = 306,425,627.20 : x
  2. Step 2: Convert to fraction form
    314,928,683.20/472,393,024.80 = 306,425,627.20/x
  3. Step 3: Cross multiply
    314,928,683.20x = 472,393,024.80 × 306,425,627.20
  4. Step 4: Simplify right side
    314,928,683.20x = 144,753,328,909,245,152
  5. Step 5: Solve for x
    x = 144,753,328,909,245,152/314,928,683.20
  6. Step 6: Final answer
    x = 459,638,440.80

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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.