Home / 649,322,966.16-896,077,172.48-351,975,083.67

Finding the Fourth Proportional to 649,322,966.16, 896,077,172.48 and 351,975,083.67

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Solution

The fourth proportional to 649,322,966.16, 896,077,172.48 and 351,975,083.67 is: 485,731,837.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,322,966.16 : 896,077,172.48 = 351,975,083.67 : x
  2. Step 2: Convert to fraction form
    649,322,966.16/896,077,172.48 = 351,975,083.67/x
  3. Step 3: Cross multiply
    649,322,966.16x = 896,077,172.48 × 351,975,083.67
  4. Step 4: Simplify right side
    649,322,966.16x = 315,396,837,756,665,152
  5. Step 5: Solve for x
    x = 315,396,837,756,665,152/649,322,966.16
  6. Step 6: Final answer
    x = 485,731,837.92

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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.