Finding the Fourth Proportional to 385,307,770.04, 531,725,066.35 and 209,095,767.08
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Solution
The fourth proportional to 385,307,770.04, 531,725,066.35 and 209,095,767.08 is: 288,552,345.08
Step by Step Solution
- Step 1: Write the proportion equation
385,307,770.04 : 531,725,066.35 = 209,095,767.08 : x - Step 2: Convert to fraction form
385,307,770.04/531,725,066.35 = 209,095,767.08/x - Step 3: Cross multiply
385,307,770.04x = 531,725,066.35 × 209,095,767.08 - Step 4: Simplify right side
385,307,770.04x = 111,181,460,620,935,776 - Step 5: Solve for x
x = 111,181,460,620,935,776/385,307,770.04 - Step 6: Final answer
x = 288,552,345.08
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.