Home / 517,435,146,672.40-775,458,938,339.05-402,707,351,025.95

Finding the Fourth Proportional to 517,435,146,672.40, 775,458,938,339.05 and 402,707,351,025.95

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Solution

The fourth proportional to 517,435,146,672.40, 775,458,938,339.05 and 402,707,351,025.95 is: 603,521,072,923.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,435,146,672.40 : 775,458,938,339.05 = 402,707,351,025.95 : x
  2. Step 2: Convert to fraction form
    517,435,146,672.40/775,458,938,339.05 = 402,707,351,025.95/x
  3. Step 3: Cross multiply
    517,435,146,672.40x = 775,458,938,339.05 × 402,707,351,025.95
  4. Step 4: Simplify right side
    517,435,146,672.40x = 312,283,014,887,914,336,157,696
  5. Step 5: Solve for x
    x = 312,283,014,887,914,336,157,696/517,435,146,672.40
  6. Step 6: Final answer
    x = 603,521,072,923.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.