Home / 486,439,035.60-671,286,516.48-263,421,102.18

Finding the Fourth Proportional to 486,439,035.60, 671,286,516.48 and 263,421,102.18

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Solution

The fourth proportional to 486,439,035.60, 671,286,516.48 and 263,421,102.18 is: 363,521,471.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,439,035.60 : 671,286,516.48 = 263,421,102.18 : x
  2. Step 2: Convert to fraction form
    486,439,035.60/671,286,516.48 = 263,421,102.18/x
  3. Step 3: Cross multiply
    486,439,035.60x = 671,286,516.48 × 263,421,102.18
  4. Step 4: Simplify right side
    486,439,035.60x = 176,831,034,049,734,336
  5. Step 5: Solve for x
    x = 176,831,034,049,734,336/486,439,035.60
  6. Step 6: Final answer
    x = 363,521,471.57

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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.