Finding the Fourth Proportional to 2,115,477,068.67, 3,173,229,125.12 and 621,502,502.08
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Solution
The fourth proportional to 2,115,477,068.67, 3,173,229,125.12 and 621,502,502.08 is: 932,257,725.76
Step by Step Solution
- Step 1: Write the proportion equation
2,115,477,068.67 : 3,173,229,125.12 = 621,502,502.08 : x - Step 2: Convert to fraction form
2,115,477,068.67/3,173,229,125.12 = 621,502,502.08/x - Step 3: Cross multiply
2,115,477,068.67x = 3,173,229,125.12 × 621,502,502.08 - Step 4: Simplify right side
2,115,477,068.67x = 1,972,169,840,936,039,936 - Step 5: Solve for x
x = 1,972,169,840,936,039,936/2,115,477,068.67 - Step 6: Final answer
x = 932,257,725.76
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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.