Finding the Fourth Proportional to 888,913,684.58, 1,226,611,484.64 and 492,362,582.49
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Solution
The fourth proportional to 888,913,684.58, 1,226,611,484.64 and 492,362,582.49 is: 679,410,845.81
Step by Step Solution
- Step 1: Write the proportion equation
888,913,684.58 : 1,226,611,484.64 = 492,362,582.49 : x - Step 2: Convert to fraction form
888,913,684.58/1,226,611,484.64 = 492,362,582.49/x - Step 3: Cross multiply
888,913,684.58x = 1,226,611,484.64 × 492,362,582.49 - Step 4: Simplify right side
888,913,684.58x = 603,937,598,289,243,392 - Step 5: Solve for x
x = 603,937,598,289,243,392/888,913,684.58 - Step 6: Final answer
x = 679,410,845.81
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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.