Finding the Fourth Proportional to 15,312,965,565.02, 22,969,631,239.45 and 4,270,809,796.70
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Solution
The fourth proportional to 15,312,965,565.02, 22,969,631,239.45 and 4,270,809,796.70 is: 6,406,265,703.88
Step by Step Solution
- Step 1: Write the proportion equation
15,312,965,565.02 : 22,969,631,239.45 = 4,270,809,796.70 : x - Step 2: Convert to fraction form
15,312,965,565.02/22,969,631,239.45 = 4,270,809,796.70/x - Step 3: Cross multiply
15,312,965,565.02x = 22,969,631,239.45 × 4,270,809,796.70 - Step 4: Simplify right side
15,312,965,565.02x = 98,098,926,123,906,039,808 - Step 5: Solve for x
x = 98,098,926,123,906,039,808/15,312,965,565.02 - Step 6: Final answer
x = 6,406,265,703.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.