Finding the Fourth Proportional to 448,148,749.49, 618,445,870.05 and 247,201,091.00
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Solution
The fourth proportional to 448,148,749.49, 618,445,870.05 and 247,201,091.00 is: 341,137,834.20
Step by Step Solution
- Step 1: Write the proportion equation
448,148,749.49 : 618,445,870.05 = 247,201,091.00 : x - Step 2: Convert to fraction form
448,148,749.49/618,445,870.05 = 247,201,091.00/x - Step 3: Cross multiply
448,148,749.49x = 618,445,870.05 × 247,201,091.00 - Step 4: Simplify right side
448,148,749.49x = 152,880,493,797,712,000 - Step 5: Solve for x
x = 152,880,493,797,712,000/448,148,749.49 - Step 6: Final answer
x = 341,137,834.20
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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.