Finding the Fourth Proportional to 71,539,123,246.04, 98,721,115,788.04 and 38,985,645,622.96
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Solution
The fourth proportional to 71,539,123,246.04, 98,721,115,788.04 and 38,985,645,622.96 is: 53,798,624,598.45
Step by Step Solution
- Step 1: Write the proportion equation
71,539,123,246.04 : 98,721,115,788.04 = 38,985,645,622.96 : x - Step 2: Convert to fraction form
71,539,123,246.04/98,721,115,788.04 = 38,985,645,622.96/x - Step 3: Cross multiply
71,539,123,246.04x = 98,721,115,788.04 × 38,985,645,622.96 - Step 4: Simplify right side
71,539,123,246.04x = 3,848,706,435,615,728,599,040 - Step 5: Solve for x
x = 3,848,706,435,615,728,599,040/71,539,123,246.04 - Step 6: Final answer
x = 53,798,624,598.45
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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.