Home / 416,274,393,357.92-623,970,892,218.40-140,020,927,907.54

Finding the Fourth Proportional to 416,274,393,357.92, 623,970,892,218.40 and 140,020,927,907.54

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Solution

The fourth proportional to 416,274,393,357.92, 623,970,892,218.40 and 140,020,927,907.54 is: 209,883,155,701.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,274,393,357.92 : 623,970,892,218.40 = 140,020,927,907.54 : x
  2. Step 2: Convert to fraction form
    416,274,393,357.92/623,970,892,218.40 = 140,020,927,907.54/x
  3. Step 3: Cross multiply
    416,274,393,357.92x = 623,970,892,218.40 × 140,020,927,907.54
  4. Step 4: Simplify right side
    416,274,393,357.92x = 87,368,983,315,716,010,672,128
  5. Step 5: Solve for x
    x = 87,368,983,315,716,010,672,128/416,274,393,357.92
  6. Step 6: Final answer
    x = 209,883,155,701.57

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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.