Finding the Fourth Proportional to 474,090,808.77, 714,689,621.08 and 442,487,783.97
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Solution
The fourth proportional to 474,090,808.77, 714,689,621.08 and 442,487,783.97 is: 667,048,212.72
Step by Step Solution
- Step 1: Write the proportion equation
474,090,808.77 : 714,689,621.08 = 442,487,783.97 : x - Step 2: Convert to fraction form
474,090,808.77/714,689,621.08 = 442,487,783.97/x - Step 3: Cross multiply
474,090,808.77x = 714,689,621.08 × 442,487,783.97 - Step 4: Simplify right side
474,090,808.77x = 316,241,426,656,942,016 - Step 5: Solve for x
x = 316,241,426,656,942,016/474,090,808.77 - Step 6: Final answer
x = 667,048,212.72
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.