Finding the Fourth Proportional to 816,255,948.37, 1,224,182,138.37 and 349,864,484.08
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Solution
The fourth proportional to 816,255,948.37, 1,224,182,138.37 and 349,864,484.08 is: 524,710,237.17
Step by Step Solution
- Step 1: Write the proportion equation
816,255,948.37 : 1,224,182,138.37 = 349,864,484.08 : x - Step 2: Convert to fraction form
816,255,948.37/1,224,182,138.37 = 349,864,484.08/x - Step 3: Cross multiply
816,255,948.37x = 1,224,182,138.37 × 349,864,484.08 - Step 4: Simplify right side
816,255,948.37x = 428,297,852,260,771,136 - Step 5: Solve for x
x = 428,297,852,260,771,136/816,255,948.37 - Step 6: Final answer
x = 524,710,237.17
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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.