Finding the Fourth Proportional to 1,696,988,131.59, 2,340,516,936.78 and 1,102,464,170.40
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Solution
The fourth proportional to 1,696,988,131.59, 2,340,516,936.78 and 1,102,464,170.40 is: 1,520,538,661.99
Step by Step Solution
- Step 1: Write the proportion equation
1,696,988,131.59 : 2,340,516,936.78 = 1,102,464,170.40 : x - Step 2: Convert to fraction form
1,696,988,131.59/2,340,516,936.78 = 1,102,464,170.40/x - Step 3: Cross multiply
1,696,988,131.59x = 2,340,516,936.78 × 1,102,464,170.40 - Step 4: Simplify right side
1,696,988,131.59x = 2,580,336,063,014,312,448 - Step 5: Solve for x
x = 2,580,336,063,014,312,448/1,696,988,131.59 - Step 6: Final answer
x = 1,520,538,661.99
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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.