Home / 15,130,186,482,438-20,879,677,481,126-8,193,436,670,886

Finding the Fourth Proportional to 15,130,186,482,438, 20,879,677,481,126 and 8,193,436,670,886

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Solution

The fourth proportional to 15,130,186,482,438, 20,879,677,481,126 and 8,193,436,670,886 is: 11,306,953,509,707.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,130,186,482,438 : 20,879,677,481,126 = 8,193,436,670,886 : x
  2. Step 2: Convert to fraction form
    15,130,186,482,438/20,879,677,481,126 = 8,193,436,670,886/x
  3. Step 3: Cross multiply
    15,130,186,482,438x = 20,879,677,481,126 × 8,193,436,670,886
  4. Step 4: Simplify right side
    15,130,186,482,438x = 171,076,315,150,130,411,735,089,152
  5. Step 5: Solve for x
    x = 171,076,315,150,130,411,735,089,152/15,130,186,482,438
  6. Step 6: Final answer
    x = 11,306,953,509,707.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.