Home / 507,025,159,629-699,711,500,431.31-278,662,496,042.78

Finding the Fourth Proportional to 507,025,159,629, 699,711,500,431.31 and 278,662,496,042.78

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Solution

The fourth proportional to 507,025,159,629, 699,711,500,431.31 and 278,662,496,042.78 is: 384,563,466,954.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,025,159,629 : 699,711,500,431.31 = 278,662,496,042.78 : x
  2. Step 2: Convert to fraction form
    507,025,159,629/699,711,500,431.31 = 278,662,496,042.78/x
  3. Step 3: Cross multiply
    507,025,159,629x = 699,711,500,431.31 × 278,662,496,042.78
  4. Step 4: Simplify right side
    507,025,159,629x = 194,983,353,220,027,618,689,024
  5. Step 5: Solve for x
    x = 194,983,353,220,027,618,689,024/507,025,159,629
  6. Step 6: Final answer
    x = 384,563,466,954.38

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1.5x scale

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.