Finding the Fourth Proportional to 842,385,985.64, 1,262,894,398.86 and 351,465,177.32
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Solution
The fourth proportional to 842,385,985.64, 1,262,894,398.86 and 351,465,177.32 is: 526,912,141.70
Step by Step Solution
- Step 1: Write the proportion equation
842,385,985.64 : 1,262,894,398.86 = 351,465,177.32 : x - Step 2: Convert to fraction form
842,385,985.64/1,262,894,398.86 = 351,465,177.32/x - Step 3: Cross multiply
842,385,985.64x = 1,262,894,398.86 × 351,465,177.32 - Step 4: Simplify right side
842,385,985.64x = 443,863,403,831,764,672 - Step 5: Solve for x
x = 443,863,403,831,764,672/842,385,985.64 - Step 6: Final answer
x = 526,912,141.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.