Finding the Fourth Proportional to 13,065,405,486,618, 18,030,167,849,501 and 7,132,660,173,564.70
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Solution
The fourth proportional to 13,065,405,486,618, 18,030,167,849,501 and 7,132,660,173,564.70 is: 9,843,020,966,669.71
Step by Step Solution
- Step 1: Write the proportion equation
13,065,405,486,618 : 18,030,167,849,501 = 7,132,660,173,564.70 : x - Step 2: Convert to fraction form
13,065,405,486,618/18,030,167,849,501 = 7,132,660,173,564.70/x - Step 3: Cross multiply
13,065,405,486,618x = 18,030,167,849,501 × 7,132,660,173,564.70 - Step 4: Simplify right side
13,065,405,486,618x = 128,603,060,142,822,475,425,644,544 - Step 5: Solve for x
x = 128,603,060,142,822,475,425,644,544/13,065,405,486,618 - Step 6: Final answer
x = 9,843,020,966,669.71
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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.