Finding the Fourth Proportional to 608,607,430,340.56, 839,955,737,768.42 and 368,021,028,540.42
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Solution
The fourth proportional to 608,607,430,340.56, 839,955,737,768.42 and 368,021,028,540.42 is: 507,915,873,404.61
Step by Step Solution
- Step 1: Write the proportion equation
608,607,430,340.56 : 839,955,737,768.42 = 368,021,028,540.42 : x - Step 2: Convert to fraction form
608,607,430,340.56/839,955,737,768.42 = 368,021,028,540.42/x - Step 3: Cross multiply
608,607,430,340.56x = 839,955,737,768.42 × 368,021,028,540.42 - Step 4: Simplify right side
608,607,430,340.56x = 309,121,374,541,961,263,841,280 - Step 5: Solve for x
x = 309,121,374,541,961,263,841,280/608,607,430,340.56 - Step 6: Final answer
x = 507,915,873,404.61
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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.