Finding the Fourth Proportional to 1,534,602,567.25, 2,117,664,591.61 and 865,507,621.01
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Solution
The fourth proportional to 1,534,602,567.25, 2,117,664,591.61 and 865,507,621.01 is: 1,194,351,476.99
Step by Step Solution
- Step 1: Write the proportion equation
1,534,602,567.25 : 2,117,664,591.61 = 865,507,621.01 : x - Step 2: Convert to fraction form
1,534,602,567.25/2,117,664,591.61 = 865,507,621.01/x - Step 3: Cross multiply
1,534,602,567.25x = 2,117,664,591.61 × 865,507,621.01 - Step 4: Simplify right side
1,534,602,567.25x = 1,832,854,842,781,484,288 - Step 5: Solve for x
x = 1,832,854,842,781,484,288/1,534,602,567.25 - Step 6: Final answer
x = 1,194,351,476.99
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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.