Home / 517,435,146,664.16-775,458,938,326.70-402,707,351,017.70

Finding the Fourth Proportional to 517,435,146,664.16, 775,458,938,326.70 and 402,707,351,017.70

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Solution

The fourth proportional to 517,435,146,664.16, 775,458,938,326.70 and 402,707,351,017.70 is: 603,521,072,910.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,435,146,664.16 : 775,458,938,326.70 = 402,707,351,017.70 : x
  2. Step 2: Convert to fraction form
    517,435,146,664.16/775,458,938,326.70 = 402,707,351,017.70/x
  3. Step 3: Cross multiply
    517,435,146,664.16x = 775,458,938,326.70 × 402,707,351,017.70
  4. Step 4: Simplify right side
    517,435,146,664.16x = 312,283,014,876,543,343,132,672
  5. Step 5: Solve for x
    x = 312,283,014,876,543,343,132,672/517,435,146,664.16
  6. Step 6: Final answer
    x = 603,521,072,910.86

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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.