Finding the Fourth Proportional to 1,768,846,561,330.70, 2,653,535,137,897.70 and 621,276,521,930.68
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Solution
The fourth proportional to 1,768,846,561,330.70, 2,653,535,137,897.70 and 621,276,521,930.68 is: 932,007,963,457.11
Step by Step Solution
- Step 1: Write the proportion equation
1,768,846,561,330.70 : 2,653,535,137,897.70 = 621,276,521,930.68 : x - Step 2: Convert to fraction form
1,768,846,561,330.70/2,653,535,137,897.70 = 621,276,521,930.68/x - Step 3: Cross multiply
1,768,846,561,330.70x = 2,653,535,137,897.70 × 621,276,521,930.68 - Step 4: Simplify right side
1,768,846,561,330.70x = 1,648,579,081,293,930,650,664,960 - Step 5: Solve for x
x = 1,648,579,081,293,930,650,664,960/1,768,846,561,330.70 - Step 6: Final answer
x = 932,007,963,457.11
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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.