Home / 523,890,183.51-785,835,276.11-212,924,943.67

Finding the Fourth Proportional to 523,890,183.51, 785,835,276.11 and 212,924,943.67

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Solution

The fourth proportional to 523,890,183.51, 785,835,276.11 and 212,924,943.67 is: 319,387,415.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,890,183.51 : 785,835,276.11 = 212,924,943.67 : x
  2. Step 2: Convert to fraction form
    523,890,183.51/785,835,276.11 = 212,924,943.67/x
  3. Step 3: Cross multiply
    523,890,183.51x = 785,835,276.11 × 212,924,943.67
  4. Step 4: Simplify right side
    523,890,183.51x = 167,323,931,899,620,640
  5. Step 5: Solve for x
    x = 167,323,931,899,620,640/523,890,183.51
  6. Step 6: Final answer
    x = 319,387,415.85

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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.