Finding the Fourth Proportional to 4,084,358,829.99, 5,636,266,378.68 and 2,275,777,253.15
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Solution
The fourth proportional to 4,084,358,829.99, 5,636,266,378.68 and 2,275,777,253.15 is: 3,140,489,695.25
Step by Step Solution
- Step 1: Write the proportion equation
4,084,358,829.99 : 5,636,266,378.68 = 2,275,777,253.15 : x - Step 2: Convert to fraction form
4,084,358,829.99/5,636,266,378.68 = 2,275,777,253.15/x - Step 3: Cross multiply
4,084,358,829.99x = 5,636,266,378.68 × 2,275,777,253.15 - Step 4: Simplify right side
4,084,358,829.99x = 12,826,886,817,294,069,760 - Step 5: Solve for x
x = 12,826,886,817,294,069,760/4,084,358,829.99 - Step 6: Final answer
x = 3,140,489,695.25
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1.5x scale
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.