Finding the Fourth Proportional to 430,331,720,456.52, 593,857,999,671.12 and 235,017,676,182.78
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Solution
The fourth proportional to 430,331,720,456.52, 593,857,999,671.12 and 235,017,676,182.78 is: 324,324,516,252.72
Step by Step Solution
- Step 1: Write the proportion equation
430,331,720,456.52 : 593,857,999,671.12 = 235,017,676,182.78 : x - Step 2: Convert to fraction form
430,331,720,456.52/593,857,999,671.12 = 235,017,676,182.78/x - Step 3: Cross multiply
430,331,720,456.52x = 593,857,999,671.12 × 235,017,676,182.78 - Step 4: Simplify right side
430,331,720,456.52x = 139,567,127,065,260,755,779,584 - Step 5: Solve for x
x = 139,567,127,065,260,755,779,584/430,331,720,456.52 - Step 6: Final answer
x = 324,324,516,252.72
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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.