Home / 18,915,398,194,945-28,370,230,494,886-5,148,057,738,374.80

Finding the Fourth Proportional to 18,915,398,194,945, 28,370,230,494,886 and 5,148,057,738,374.80

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Solution

The fourth proportional to 18,915,398,194,945, 28,370,230,494,886 and 5,148,057,738,374.80 is: 7,721,306,373,434.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,915,398,194,945 : 28,370,230,494,886 = 5,148,057,738,374.80 : x
  2. Step 2: Convert to fraction form
    18,915,398,194,945/28,370,230,494,886 = 5,148,057,738,374.80/x
  3. Step 3: Cross multiply
    18,915,398,194,945x = 28,370,230,494,886 × 5,148,057,738,374.80
  4. Step 4: Simplify right side
    18,915,398,194,945x = 146,051,584,638,674,594,697,314,304
  5. Step 5: Solve for x
    x = 146,051,584,638,674,594,697,314,304/18,915,398,194,945
  6. Step 6: Final answer
    x = 7,721,306,373,434.20

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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.