Home / 18,626,131,430.40-27,943,078,924.80-6,208,319,769.60

Finding the Fourth Proportional to 18,626,131,430.40, 27,943,078,924.80 and 6,208,319,769.60

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Solution

The fourth proportional to 18,626,131,430.40, 27,943,078,924.80 and 6,208,319,769.60 is: 9,313,773,499.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,626,131,430.40 : 27,943,078,924.80 = 6,208,319,769.60 : x
  2. Step 2: Convert to fraction form
    18,626,131,430.40/27,943,078,924.80 = 6,208,319,769.60/x
  3. Step 3: Cross multiply
    18,626,131,430.40x = 27,943,078,924.80 × 6,208,319,769.60
  4. Step 4: Simplify right side
    18,626,131,430.40x = 173,479,569,312,328,941,568
  5. Step 5: Solve for x
    x = 173,479,569,312,328,941,568/18,626,131,430.40
  6. Step 6: Final answer
    x = 9,313,773,499.37

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1.5x scale

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.