Finding the Fourth Proportional to 448,148,747.98, 618,445,867.97 and 247,201,089.49
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Solution
The fourth proportional to 448,148,747.98, 618,445,867.97 and 247,201,089.49 is: 341,137,832.12
Step by Step Solution
- Step 1: Write the proportion equation
448,148,747.98 : 618,445,867.97 = 247,201,089.49 : x - Step 2: Convert to fraction form
448,148,747.98/618,445,867.97 = 247,201,089.49/x - Step 3: Cross multiply
448,148,747.98x = 618,445,867.97 × 247,201,089.49 - Step 4: Simplify right side
448,148,747.98x = 152,880,492,354,163,744 - Step 5: Solve for x
x = 152,880,492,354,163,744/448,148,747.98 - Step 6: Final answer
x = 341,137,832.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.