Home / 565,379,905,499.10-780,223,207,105.35-308,462,976,769.97

Finding the Fourth Proportional to 565,379,905,499.10, 780,223,207,105.35 and 308,462,976,769.97

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Solution

The fourth proportional to 565,379,905,499.10, 780,223,207,105.35 and 308,462,976,769.97 is: 425,678,328,267.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,379,905,499.10 : 780,223,207,105.35 = 308,462,976,769.97 : x
  2. Step 2: Convert to fraction form
    565,379,905,499.10/780,223,207,105.35 = 308,462,976,769.97/x
  3. Step 3: Cross multiply
    565,379,905,499.10x = 780,223,207,105.35 × 308,462,976,769.97
  4. Step 4: Simplify right side
    565,379,905,499.10x = 240,669,973,008,729,038,127,104
  5. Step 5: Solve for x
    x = 240,669,973,008,729,038,127,104/565,379,905,499.10
  6. Step 6: Final answer
    x = 425,678,328,267.21

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