Finding the Fourth Proportional to 1,177,732,630.63, 1,625,266,119.01 and 649,095,355.05
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Solution
The fourth proportional to 1,177,732,630.63, 1,625,266,119.01 and 649,095,355.05 is: 895,748,883.18
Step by Step Solution
- Step 1: Write the proportion equation
1,177,732,630.63 : 1,625,266,119.01 = 649,095,355.05 : x - Step 2: Convert to fraction form
1,177,732,630.63/1,625,266,119.01 = 649,095,355.05/x - Step 3: Cross multiply
1,177,732,630.63x = 1,625,266,119.01 × 649,095,355.05 - Step 4: Simplify right side
1,177,732,630.63x = 1,054,952,688,569,531,392 - Step 5: Solve for x
x = 1,054,952,688,569,531,392/1,177,732,630.63 - Step 6: Final answer
x = 895,748,883.18
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.