Finding the Fourth Proportional to 1,565,283,585.84, 2,160,118,181.40 and 860,465,274
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Solution
The fourth proportional to 1,565,283,585.84, 2,160,118,181.40 and 860,465,274 is: 1,187,456,828.68
Step by Step Solution
- Step 1: Write the proportion equation
1,565,283,585.84 : 2,160,118,181.40 = 860,465,274 : x - Step 2: Convert to fraction form
1,565,283,585.84/2,160,118,181.40 = 860,465,274/x - Step 3: Cross multiply
1,565,283,585.84x = 2,160,118,181.40 × 860,465,274 - Step 4: Simplify right side
1,565,283,585.84x = 1,858,706,682,830,732,800 - Step 5: Solve for x
x = 1,858,706,682,830,732,800/1,565,283,585.84 - Step 6: Final answer
x = 1,187,456,828.68
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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.