Home / 522,030,146.42-720,420,543.57-299,054,922.38

Finding the Fourth Proportional to 522,030,146.42, 720,420,543.57 and 299,054,922.38

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Solution

The fourth proportional to 522,030,146.42, 720,420,543.57 and 299,054,922.38 is: 412,706,643.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,030,146.42 : 720,420,543.57 = 299,054,922.38 : x
  2. Step 2: Convert to fraction form
    522,030,146.42/720,420,543.57 = 299,054,922.38/x
  3. Step 3: Cross multiply
    522,030,146.42x = 720,420,543.57 × 299,054,922.38
  4. Step 4: Simplify right side
    522,030,146.42x = 215,445,309,738,283,776
  5. Step 5: Solve for x
    x = 215,445,309,738,283,776/522,030,146.42
  6. Step 6: Final answer
    x = 412,706,643.89

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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.