Home / 523,121,108.01-784,710,277.70-212,182,545.93

Finding the Fourth Proportional to 523,121,108.01, 784,710,277.70 and 212,182,545.93

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Solution

The fourth proportional to 523,121,108.01, 784,710,277.70 and 212,182,545.93 is: 318,285,425.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,121,108.01 : 784,710,277.70 = 212,182,545.93 : x
  2. Step 2: Convert to fraction form
    523,121,108.01/784,710,277.70 = 212,182,545.93/x
  3. Step 3: Cross multiply
    523,121,108.01x = 784,710,277.70 × 212,182,545.93
  4. Step 4: Simplify right side
    523,121,108.01x = 166,501,824,539,823,328
  5. Step 5: Solve for x
    x = 166,501,824,539,823,328/523,121,108.01
  6. Step 6: Final answer
    x = 318,285,425.67

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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.