Finding the Fourth Proportional to 2,946,988,403.76, 4,418,303,355.48 and 1,782,197,941.90
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Solution
The fourth proportional to 2,946,988,403.76, 4,418,303,355.48 and 1,782,197,941.90 is: 2,671,979,006.36
Step by Step Solution
- Step 1: Write the proportion equation
2,946,988,403.76 : 4,418,303,355.48 = 1,782,197,941.90 : x - Step 2: Convert to fraction form
2,946,988,403.76/4,418,303,355.48 = 1,782,197,941.90/x - Step 3: Cross multiply
2,946,988,403.76x = 4,418,303,355.48 × 1,782,197,941.90 - Step 4: Simplify right side
2,946,988,403.76x = 7,874,291,146,837,465,088 - Step 5: Solve for x
x = 7,874,291,146,837,465,088/2,946,988,403.76 - Step 6: Final answer
x = 2,671,979,006.36
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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.