Home / 437,638,443.20-656,457,664.80-255,792,017.60

Finding the Fourth Proportional to 437,638,443.20, 656,457,664.80 and 255,792,017.60

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Solution

The fourth proportional to 437,638,443.20, 656,457,664.80 and 255,792,017.60 is: 383,688,026.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,638,443.20 : 656,457,664.80 = 255,792,017.60 : x
  2. Step 2: Convert to fraction form
    437,638,443.20/656,457,664.80 = 255,792,017.60/x
  3. Step 3: Cross multiply
    437,638,443.20x = 656,457,664.80 × 255,792,017.60
  4. Step 4: Simplify right side
    437,638,443.20x = 167,916,630,548,176,480
  5. Step 5: Solve for x
    x = 167,916,630,548,176,480/437,638,443.20
  6. Step 6: Final answer
    x = 383,688,026.40

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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.