Finding the Fourth Proportional to 988,216,355.96, 1,482,272,327.35 and 324,142,901.45
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Solution
The fourth proportional to 988,216,355.96, 1,482,272,327.35 and 324,142,901.45 is: 486,197,227.99
Step by Step Solution
- Step 1: Write the proportion equation
988,216,355.96 : 1,482,272,327.35 = 324,142,901.45 : x - Step 2: Convert to fraction form
988,216,355.96/1,482,272,327.35 = 324,142,901.45/x - Step 3: Cross multiply
988,216,355.96x = 1,482,272,327.35 × 324,142,901.45 - Step 4: Simplify right side
988,216,355.96x = 480,468,052,926,273,152 - Step 5: Solve for x
x = 480,468,052,926,273,152/988,216,355.96 - Step 6: Final answer
x = 486,197,227.99
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1.5x scale
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.