Finding the Fourth Proportional to 474,349,461.64, 711,646,858.94 and 277,778,881.96
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Solution
The fourth proportional to 474,349,461.64, 711,646,858.94 and 277,778,881.96 is: 416,740,156.39
Step by Step Solution
- Step 1: Write the proportion equation
474,349,461.64 : 711,646,858.94 = 277,778,881.96 : x - Step 2: Convert to fraction form
474,349,461.64/711,646,858.94 = 277,778,881.96/x - Step 3: Cross multiply
474,349,461.64x = 711,646,858.94 × 277,778,881.96 - Step 4: Simplify right side
474,349,461.64x = 197,680,468,826,699,040 - Step 5: Solve for x
x = 197,680,468,826,699,040/474,349,461.64 - Step 6: Final answer
x = 416,740,156.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.