Finding the Fourth Proportional to 1,175,829,853.64, 1,622,539,730.58 and 680,825,971.40
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Solution
The fourth proportional to 1,175,829,853.64, 1,622,539,730.58 and 680,825,971.40 is: 939,478,773.04
Step by Step Solution
- Step 1: Write the proportion equation
1,175,829,853.64 : 1,622,539,730.58 = 680,825,971.40 : x - Step 2: Convert to fraction form
1,175,829,853.64/1,622,539,730.58 = 680,825,971.40/x - Step 3: Cross multiply
1,175,829,853.64x = 1,622,539,730.58 × 680,825,971.40 - Step 4: Simplify right side
1,175,829,853.64x = 1,104,667,188,207,222,656 - Step 5: Solve for x
x = 1,104,667,188,207,222,656/1,175,829,853.64 - Step 6: Final answer
x = 939,478,773.04
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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.