Finding the Fourth Proportional to 1,185,848,664.24, 1,636,471,124.12 and 657,292,060.24
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Solution
The fourth proportional to 1,185,848,664.24, 1,636,471,124.12 and 657,292,060.24 is: 907,063,025.10
Step by Step Solution
- Step 1: Write the proportion equation
1,185,848,664.24 : 1,636,471,124.12 = 657,292,060.24 : x - Step 2: Convert to fraction form
1,185,848,664.24/1,636,471,124.12 = 657,292,060.24/x - Step 3: Cross multiply
1,185,848,664.24x = 1,636,471,124.12 × 657,292,060.24 - Step 4: Simplify right side
1,185,848,664.24x = 1,075,639,476,696,103,552 - Step 5: Solve for x
x = 1,075,639,476,696,103,552/1,185,848,664.24 - Step 6: Final answer
x = 907,063,025.10
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1.5x scale
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.