Home / 8,399,334,946.37-12,590,201,783.90-3,913,731,432.86

Finding the Fourth Proportional to 8,399,334,946.37, 12,590,201,783.90 and 3,913,731,432.86

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Solution

The fourth proportional to 8,399,334,946.37, 12,590,201,783.90 and 3,913,731,432.86 is: 5,866,496,428.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399,334,946.37 : 12,590,201,783.90 = 3,913,731,432.86 : x
  2. Step 2: Convert to fraction form
    8,399,334,946.37/12,590,201,783.90 = 3,913,731,432.86/x
  3. Step 3: Cross multiply
    8,399,334,946.37x = 12,590,201,783.90 × 3,913,731,432.86
  4. Step 4: Simplify right side
    8,399,334,946.37x = 49,274,668,467,648,266,240
  5. Step 5: Solve for x
    x = 49,274,668,467,648,266,240/8,399,334,946.37
  6. Step 6: Final answer
    x = 5,866,496,428.86

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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.