Finding the Fourth Proportional to 1,809,421,125.60, 2,712,577,220.64 and 628,848,219.36
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Solution
The fourth proportional to 1,809,421,125.60, 2,712,577,220.64 and 628,848,219.36 is: 942,732,087.60
Step by Step Solution
- Step 1: Write the proportion equation
1,809,421,125.60 : 2,712,577,220.64 = 628,848,219.36 : x - Step 2: Convert to fraction form
1,809,421,125.60/2,712,577,220.64 = 628,848,219.36/x - Step 3: Cross multiply
1,809,421,125.60x = 2,712,577,220.64 × 628,848,219.36 - Step 4: Simplify right side
1,809,421,125.60x = 1,705,799,355,075,961,856 - Step 5: Solve for x
x = 1,705,799,355,075,961,856/1,809,421,125.60 - Step 6: Final answer
x = 942,732,087.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.