Home / 649,584,477.68-896,343,980.28-371,144,035.76

Finding the Fourth Proportional to 649,584,477.68, 896,343,980.28 and 371,144,035.76

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Solution

The fourth proportional to 649,584,477.68, 896,343,980.28 and 371,144,035.76 is: 512,131,575.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,584,477.68 : 896,343,980.28 = 371,144,035.76 : x
  2. Step 2: Convert to fraction form
    649,584,477.68/896,343,980.28 = 371,144,035.76/x
  3. Step 3: Cross multiply
    649,584,477.68x = 896,343,980.28 × 371,144,035.76
  4. Step 4: Simplify right side
    649,584,477.68x = 332,672,722,270,301,056
  5. Step 5: Solve for x
    x = 332,672,722,270,301,056/649,584,477.68
  6. Step 6: Final answer
    x = 512,131,575.96

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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.