Finding the Fourth Proportional to 2,083,918,438.92, 2,875,888,319.34 and 1,144,160,689.80
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Solution
The fourth proportional to 2,083,918,438.92, 2,875,888,319.34 and 1,144,160,689.80 is: 1,578,986,155.02
Step by Step Solution
- Step 1: Write the proportion equation
2,083,918,438.92 : 2,875,888,319.34 = 1,144,160,689.80 : x - Step 2: Convert to fraction form
2,083,918,438.92/2,875,888,319.34 = 1,144,160,689.80/x - Step 3: Cross multiply
2,083,918,438.92x = 2,875,888,319.34 × 1,144,160,689.80 - Step 4: Simplify right side
2,083,918,438.92x = 3,290,478,363,243,816,960 - Step 5: Solve for x
x = 3,290,478,363,243,816,960/2,083,918,438.92 - Step 6: Final answer
x = 1,578,986,155.02
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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.