Finding the Fourth Proportional to 345,484,557.29, 518,226,837.98 and 115,453,641.93
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Solution
The fourth proportional to 345,484,557.29, 518,226,837.98 and 115,453,641.93 is: 173,180,463.58
Step by Step Solution
- Step 1: Write the proportion equation
345,484,557.29 : 518,226,837.98 = 115,453,641.93 : x - Step 2: Convert to fraction form
345,484,557.29/518,226,837.98 = 115,453,641.93/x - Step 3: Cross multiply
345,484,557.29x = 518,226,837.98 × 115,453,641.93 - Step 4: Simplify right side
345,484,557.29x = 59,831,175,790,081,784 - Step 5: Solve for x
x = 59,831,175,790,081,784/345,484,557.29 - Step 6: Final answer
x = 173,180,463.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.