Finding the Fourth Proportional to 897,887,631.40, 1,346,831,447.10 and 551,718,773.80
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Solution
The fourth proportional to 897,887,631.40, 1,346,831,447.10 and 551,718,773.80 is: 827,578,160.70
Step by Step Solution
- Step 1: Write the proportion equation
897,887,631.40 : 1,346,831,447.10 = 551,718,773.80 : x - Step 2: Convert to fraction form
897,887,631.40/1,346,831,447.10 = 551,718,773.80/x - Step 3: Cross multiply
897,887,631.40x = 1,346,831,447.10 × 551,718,773.80 - Step 4: Simplify right side
897,887,631.40x = 743,072,194,509,291,392 - Step 5: Solve for x
x = 743,072,194,509,291,392/897,887,631.40 - Step 6: Final answer
x = 827,578,160.70
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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.