Home / 538,527,607.93-807,730,849.76-145,083,512.67

Finding the Fourth Proportional to 538,527,607.93, 807,730,849.76 and 145,083,512.67

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Solution

The fourth proportional to 538,527,607.93, 807,730,849.76 and 145,083,512.67 is: 217,608,953.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,527,607.93 : 807,730,849.76 = 145,083,512.67 : x
  2. Step 2: Convert to fraction form
    538,527,607.93/807,730,849.76 = 145,083,512.67/x
  3. Step 3: Cross multiply
    538,527,607.93x = 807,730,849.76 × 145,083,512.67
  4. Step 4: Simplify right side
    538,527,607.93x = 117,188,428,975,467,536
  5. Step 5: Solve for x
    x = 117,188,428,975,467,536/538,527,607.93
  6. Step 6: Final answer
    x = 217,608,953.10

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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.