Finding the Fourth Proportional to 19,981,170,881,051, 29,950,602,826,290 and 6,721,004,539,432.60
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Solution
The fourth proportional to 19,981,170,881,051, 29,950,602,826,290 and 6,721,004,539,432.60 is: 10,074,391,473,481.55
Step by Step Solution
- Step 1: Write the proportion equation
19,981,170,881,051 : 29,950,602,826,290 = 6,721,004,539,432.60 : x - Step 2: Convert to fraction form
19,981,170,881,051/29,950,602,826,290 = 6,721,004,539,432.60/x - Step 3: Cross multiply
19,981,170,881,051x = 29,950,602,826,290 × 6,721,004,539,432.60 - Step 4: Simplify right side
19,981,170,881,051x = 201,298,137,554,237,950,963,744,768 - Step 5: Solve for x
x = 201,298,137,554,237,950,963,744,768/19,981,170,881,051 - Step 6: Final answer
x = 10,074,391,473,481.55
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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.