Home / 565,379,905,488.42-780,223,207,090.59-308,462,976,759.29

Finding the Fourth Proportional to 565,379,905,488.42, 780,223,207,090.59 and 308,462,976,759.29

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Solution

The fourth proportional to 565,379,905,488.42, 780,223,207,090.59 and 308,462,976,759.29 is: 425,678,328,252.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,379,905,488.42 : 780,223,207,090.59 = 308,462,976,759.29 : x
  2. Step 2: Convert to fraction form
    565,379,905,488.42/780,223,207,090.59 = 308,462,976,759.29/x
  3. Step 3: Cross multiply
    565,379,905,488.42x = 780,223,207,090.59 × 308,462,976,759.29
  4. Step 4: Simplify right side
    565,379,905,488.42x = 240,669,972,995,843,330,932,736
  5. Step 5: Solve for x
    x = 240,669,972,995,843,330,932,736/565,379,905,488.42
  6. Step 6: Final answer
    x = 425,678,328,252.46

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Double scale
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1.5x scale

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.