Home / 623,515,960.42-860,417,015.43-341,257,824.07

Finding the Fourth Proportional to 623,515,960.42, 860,417,015.43 and 341,257,824.07

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Solution

The fourth proportional to 623,515,960.42, 860,417,015.43 and 341,257,824.07 is: 470,916,635.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,515,960.42 : 860,417,015.43 = 341,257,824.07 : x
  2. Step 2: Convert to fraction form
    623,515,960.42/860,417,015.43 = 341,257,824.07/x
  3. Step 3: Cross multiply
    623,515,960.42x = 860,417,015.43 × 341,257,824.07
  4. Step 4: Simplify right side
    623,515,960.42x = 293,624,038,478,445,376
  5. Step 5: Solve for x
    x = 293,624,038,478,445,376/623,515,960.42
  6. Step 6: Final answer
    x = 470,916,635.85

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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.