Finding the Fourth Proportional to 1,103,966,508.14, 1,523,478,517.59 and 602,186,226.80
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Solution
The fourth proportional to 1,103,966,508.14, 1,523,478,517.59 and 602,186,226.80 is: 831,019,576.55
Step by Step Solution
- Step 1: Write the proportion equation
1,103,966,508.14 : 1,523,478,517.59 = 602,186,226.80 : x - Step 2: Convert to fraction form
1,103,966,508.14/1,523,478,517.59 = 602,186,226.80/x - Step 3: Cross multiply
1,103,966,508.14x = 1,523,478,517.59 × 602,186,226.80 - Step 4: Simplify right side
1,103,966,508.14x = 917,417,780,118,379,392 - Step 5: Solve for x
x = 917,417,780,118,379,392/1,103,966,508.14 - Step 6: Final answer
x = 831,019,576.55
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1.5x scale
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.