Home / 209,567,446,943.40-314,351,170,415.10-77,042,217,349.80

Finding the Fourth Proportional to 209,567,446,943.40, 314,351,170,415.10 and 77,042,217,349.80

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Solution

The fourth proportional to 209,567,446,943.40, 314,351,170,415.10 and 77,042,217,349.80 is: 115,563,326,024.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,567,446,943.40 : 314,351,170,415.10 = 77,042,217,349.80 : x
  2. Step 2: Convert to fraction form
    209,567,446,943.40/314,351,170,415.10 = 77,042,217,349.80/x
  3. Step 3: Cross multiply
    209,567,446,943.40x = 314,351,170,415.10 × 77,042,217,349.80
  4. Step 4: Simplify right side
    209,567,446,943.40x = 24,218,311,195,284,150,943,744
  5. Step 5: Solve for x
    x = 24,218,311,195,284,150,943,744/209,567,446,943.40
  6. Step 6: Final answer
    x = 115,563,326,024.70

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Double scale
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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.