Home / 623,714,821.63-860,588,848.92-369,269,834.41

Finding the Fourth Proportional to 623,714,821.63, 860,588,848.92 and 369,269,834.41

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Solution

The fourth proportional to 623,714,821.63, 860,588,848.92 and 369,269,834.41 is: 509,510,902.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,714,821.63 : 860,588,848.92 = 369,269,834.41 : x
  2. Step 2: Convert to fraction form
    623,714,821.63/860,588,848.92 = 369,269,834.41/x
  3. Step 3: Cross multiply
    623,714,821.63x = 860,588,848.92 × 369,269,834.41
  4. Step 4: Simplify right side
    623,714,821.63x = 317,789,501,735,780,928
  5. Step 5: Solve for x
    x = 317,789,501,735,780,928/623,714,821.63
  6. Step 6: Final answer
    x = 509,510,902.60

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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.