Finding the Fourth Proportional to 1,965,516,963.73, 2,712,480,347.56 and 1,162,432,879.79
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Solution
The fourth proportional to 1,965,516,963.73, 2,712,480,347.56 and 1,162,432,879.79 is: 1,604,196,961.90
Step by Step Solution
- Step 1: Write the proportion equation
1,965,516,963.73 : 2,712,480,347.56 = 1,162,432,879.79 : x - Step 2: Convert to fraction form
1,965,516,963.73/2,712,480,347.56 = 1,162,432,879.79/x - Step 3: Cross multiply
1,965,516,963.73x = 2,712,480,347.56 × 1,162,432,879.79 - Step 4: Simplify right side
1,965,516,963.73x = 3,153,076,341,784,579,584 - Step 5: Solve for x
x = 3,153,076,341,784,579,584/1,965,516,963.73 - Step 6: Final answer
x = 1,604,196,961.90
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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.