Finding the Fourth Proportional to 1,012,931,327.73, 1,519,473,620.93 and 313,494,206.23
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Solution
The fourth proportional to 1,012,931,327.73, 1,519,473,620.93 and 313,494,206.23 is: 470,265,025.52
Step by Step Solution
- Step 1: Write the proportion equation
1,012,931,327.73 : 1,519,473,620.93 = 313,494,206.23 : x - Step 2: Convert to fraction form
1,012,931,327.73/1,519,473,620.93 = 313,494,206.23/x - Step 3: Cross multiply
1,012,931,327.73x = 1,519,473,620.93 × 313,494,206.23 - Step 4: Simplify right side
1,012,931,327.73x = 476,346,176,688,093,952 - Step 5: Solve for x
x = 476,346,176,688,093,952/1,012,931,327.73 - Step 6: Final answer
x = 470,265,025.52
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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.