Finding the Fourth Proportional to 893,668,297.05, 1,340,502,445.58 and 247,436,041.05
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Solution
The fourth proportional to 893,668,297.05, 1,340,502,445.58 and 247,436,041.05 is: 371,154,061.58
Step by Step Solution
- Step 1: Write the proportion equation
893,668,297.05 : 1,340,502,445.58 = 247,436,041.05 : x - Step 2: Convert to fraction form
893,668,297.05/1,340,502,445.58 = 247,436,041.05/x - Step 3: Cross multiply
893,668,297.05x = 1,340,502,445.58 × 247,436,041.05 - Step 4: Simplify right side
893,668,297.05x = 331,688,618,150,921,088 - Step 5: Solve for x
x = 331,688,618,150,921,088/893,668,297.05 - Step 6: Final answer
x = 371,154,061.58
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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.