Finding the Fourth Proportional to 1,118,051,124.18, 1,542,840,357.15 and 616,232,292.99
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Solution
The fourth proportional to 1,118,051,124.18, 1,542,840,357.15 and 616,232,292.99 is: 850,361,875.63
Step by Step Solution
- Step 1: Write the proportion equation
1,118,051,124.18 : 1,542,840,357.15 = 616,232,292.99 : x - Step 2: Convert to fraction form
1,118,051,124.18/1,542,840,357.15 = 616,232,292.99/x - Step 3: Cross multiply
1,118,051,124.18x = 1,542,840,357.15 × 616,232,292.99 - Step 4: Simplify right side
1,118,051,124.18x = 950,748,051,004,055,168 - Step 5: Solve for x
x = 950,748,051,004,055,168/1,118,051,124.18 - Step 6: Final answer
x = 850,361,875.63
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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.