Finding the Fourth Proportional to 4,138,608,753.60, 5,710,427,506.08 and 2,378,136,039.36
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Solution
The fourth proportional to 4,138,608,753.60, 5,710,427,506.08 and 2,378,136,039.36 is: 3,281,337,826.52
Step by Step Solution
- Step 1: Write the proportion equation
4,138,608,753.60 : 5,710,427,506.08 = 2,378,136,039.36 : x - Step 2: Convert to fraction form
4,138,608,753.60/5,710,427,506.08 = 2,378,136,039.36/x - Step 3: Cross multiply
4,138,608,753.60x = 5,710,427,506.08 × 2,378,136,039.36 - Step 4: Simplify right side
4,138,608,753.60x = 13,580,173,452,361,494,528 - Step 5: Solve for x
x = 13,580,173,452,361,494,528/4,138,608,753.60 - Step 6: Final answer
x = 3,281,337,826.52
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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.