Finding the Fourth Proportional to 3,637,118,212.60, 5,455,677,318.90 and 1,570,875,604.60
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Solution
The fourth proportional to 3,637,118,212.60, 5,455,677,318.90 and 1,570,875,604.60 is: 2,356,313,406.90
Step by Step Solution
- Step 1: Write the proportion equation
3,637,118,212.60 : 5,455,677,318.90 = 1,570,875,604.60 : x - Step 2: Convert to fraction form
3,637,118,212.60/5,455,677,318.90 = 1,570,875,604.60/x - Step 3: Cross multiply
3,637,118,212.60x = 5,455,677,318.90 × 1,570,875,604.60 - Step 4: Simplify right side
3,637,118,212.60x = 8,570,190,406,829,543,424 - Step 5: Solve for x
x = 8,570,190,406,829,543,424/3,637,118,212.60 - Step 6: Final answer
x = 2,356,313,406.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.