Home / 517,435,146,665.15-775,458,938,328.20-402,707,351,018.70

Finding the Fourth Proportional to 517,435,146,665.15, 775,458,938,328.20 and 402,707,351,018.70

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Solution

The fourth proportional to 517,435,146,665.15, 775,458,938,328.20 and 402,707,351,018.70 is: 603,521,072,912.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,435,146,665.15 : 775,458,938,328.20 = 402,707,351,018.70 : x
  2. Step 2: Convert to fraction form
    517,435,146,665.15/775,458,938,328.20 = 402,707,351,018.70/x
  3. Step 3: Cross multiply
    517,435,146,665.15x = 775,458,938,328.20 × 402,707,351,018.70
  4. Step 4: Simplify right side
    517,435,146,665.15x = 312,283,014,877,922,832,941,056
  5. Step 5: Solve for x
    x = 312,283,014,877,922,832,941,056/517,435,146,665.15
  6. Step 6: Final answer
    x = 603,521,072,912.37

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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.