Finding the Fourth Proportional to 2,818,185,637.70, 4,227,278,456.55 and 977,326,501.70
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Solution
The fourth proportional to 2,818,185,637.70, 4,227,278,456.55 and 977,326,501.70 is: 1,465,989,752.55
Step by Step Solution
- Step 1: Write the proportion equation
2,818,185,637.70 : 4,227,278,456.55 = 977,326,501.70 : x - Step 2: Convert to fraction form
2,818,185,637.70/4,227,278,456.55 = 977,326,501.70/x - Step 3: Cross multiply
2,818,185,637.70x = 4,227,278,456.55 × 977,326,501.70 - Step 4: Simplify right side
2,818,185,637.70x = 4,131,431,265,651,787,264 - Step 5: Solve for x
x = 4,131,431,265,651,787,264/2,818,185,637.70 - Step 6: Final answer
x = 1,465,989,752.55
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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.