Home / 648,437,028.78-894,841,916.76-351,079,234.50

Finding the Fourth Proportional to 648,437,028.78, 894,841,916.76 and 351,079,234.50

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Solution

The fourth proportional to 648,437,028.78, 894,841,916.76 and 351,079,234.50 is: 484,488,703.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,437,028.78 : 894,841,916.76 = 351,079,234.50 : x
  2. Step 2: Convert to fraction form
    648,437,028.78/894,841,916.76 = 351,079,234.50/x
  3. Step 3: Cross multiply
    648,437,028.78x = 894,841,916.76 × 351,079,234.50
  4. Step 4: Simplify right side
    648,437,028.78x = 314,160,415,134,613,504
  5. Step 5: Solve for x
    x = 314,160,415,134,613,504/648,437,028.78
  6. Step 6: Final answer
    x = 484,488,703.13

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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.