Home / 517,435,146,665.90-775,458,938,329.35-402,707,351,019.47

Finding the Fourth Proportional to 517,435,146,665.90, 775,458,938,329.35 and 402,707,351,019.47

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Solution

The fourth proportional to 517,435,146,665.90, 775,458,938,329.35 and 402,707,351,019.47 is: 603,521,072,913.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,435,146,665.90 : 775,458,938,329.35 = 402,707,351,019.47 : x
  2. Step 2: Convert to fraction form
    517,435,146,665.90/775,458,938,329.35 = 402,707,351,019.47/x
  3. Step 3: Cross multiply
    517,435,146,665.90x = 775,458,938,329.35 × 402,707,351,019.47
  4. Step 4: Simplify right side
    517,435,146,665.90x = 312,283,014,878,983,085,883,392
  5. Step 5: Solve for x
    x = 312,283,014,878,983,085,883,392/517,435,146,665.90
  6. Step 6: Final answer
    x = 603,521,072,913.55

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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.