Finding the Fourth Proportional to 1,345,478,317.70, 2,018,217,476.55 and 1,322,803,501.70
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Solution
The fourth proportional to 1,345,478,317.70, 2,018,217,476.55 and 1,322,803,501.70 is: 1,984,205,252.55
Step by Step Solution
- Step 1: Write the proportion equation
1,345,478,317.70 : 2,018,217,476.55 = 1,322,803,501.70 : x - Step 2: Convert to fraction form
1,345,478,317.70/2,018,217,476.55 = 1,322,803,501.70/x - Step 3: Cross multiply
1,345,478,317.70x = 2,018,217,476.55 × 1,322,803,501.70 - Step 4: Simplify right side
1,345,478,317.70x = 2,669,705,145,172,477,440 - Step 5: Solve for x
x = 2,669,705,145,172,477,440/1,345,478,317.70 - Step 6: Final answer
x = 1,984,205,252.55
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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.