Finding the Fourth Proportional to 318,449,374.08, 439,595,730.36 and 214,087,974
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Solution
The fourth proportional to 318,449,374.08, 439,595,730.36 and 214,087,974 is: 295,532,561.69
Step by Step Solution
- Step 1: Write the proportion equation
318,449,374.08 : 439,595,730.36 = 214,087,974 : x - Step 2: Convert to fraction form
318,449,374.08/439,595,730.36 = 214,087,974/x - Step 3: Cross multiply
318,449,374.08x = 439,595,730.36 × 214,087,974 - Step 4: Simplify right side
318,449,374.08x = 94,112,159,291,822,688 - Step 5: Solve for x
x = 94,112,159,291,822,688/318,449,374.08 - Step 6: Final answer
x = 295,532,561.69
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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.