Finding the Fourth Proportional to 1,623,927,054.96, 2,241,021,550.68 and 881,371,125.36
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Solution
The fourth proportional to 1,623,927,054.96, 2,241,021,550.68 and 881,371,125.36 is: 1,216,293,355.08
Step by Step Solution
- Step 1: Write the proportion equation
1,623,927,054.96 : 2,241,021,550.68 = 881,371,125.36 : x - Step 2: Convert to fraction form
1,623,927,054.96/2,241,021,550.68 = 881,371,125.36/x - Step 3: Cross multiply
1,623,927,054.96x = 2,241,021,550.68 × 881,371,125.36 - Step 4: Simplify right side
1,623,927,054.96x = 1,975,171,686,078,843,648 - Step 5: Solve for x
x = 1,975,171,686,078,843,648/1,623,927,054.96 - Step 6: Final answer
x = 1,216,293,355.08
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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.