Finding the Fourth Proportional to 1,768,846,561,331.10, 2,653,535,137,898.70 and 621,276,521,931.10
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Solution
The fourth proportional to 1,768,846,561,331.10, 2,653,535,137,898.70 and 621,276,521,931.10 is: 932,007,963,457.88
Step by Step Solution
- Step 1: Write the proportion equation
1,768,846,561,331.10 : 2,653,535,137,898.70 = 621,276,521,931.10 : x - Step 2: Convert to fraction form
1,768,846,561,331.10/2,653,535,137,898.70 = 621,276,521,931.10/x - Step 3: Cross multiply
1,768,846,561,331.10x = 2,653,535,137,898.70 × 621,276,521,931.10 - Step 4: Simplify right side
1,768,846,561,331.10x = 1,648,579,081,295,666,085,888,000 - Step 5: Solve for x
x = 1,648,579,081,295,666,085,888,000/1,768,846,561,331.10 - Step 6: Final answer
x = 932,007,963,457.88
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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.