Finding the Fourth Proportional to 1,570,772,845.94, 2,167,673,097.58 and 865,909,355.54
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Solution
The fourth proportional to 1,570,772,845.94, 2,167,673,097.58 and 865,909,355.54 is: 1,194,958,532.55
Step by Step Solution
- Step 1: Write the proportion equation
1,570,772,845.94 : 2,167,673,097.58 = 865,909,355.54 : x - Step 2: Convert to fraction form
1,570,772,845.94/2,167,673,097.58 = 865,909,355.54/x - Step 3: Cross multiply
1,570,772,845.94x = 2,167,673,097.58 × 865,909,355.54 - Step 4: Simplify right side
1,570,772,845.94x = 1,877,008,414,946,893,312 - Step 5: Solve for x
x = 1,877,008,414,946,893,312/1,570,772,845.94 - Step 6: Final answer
x = 1,194,958,532.55
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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.