Finding the Fourth Proportional to 437,579,403.76, 604,045,510.68 and 272,648,460.88
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Solution
The fourth proportional to 437,579,403.76, 604,045,510.68 and 272,648,460.88 is: 376,370,728.09
Step by Step Solution
- Step 1: Write the proportion equation
437,579,403.76 : 604,045,510.68 = 272,648,460.88 : x - Step 2: Convert to fraction form
437,579,403.76/604,045,510.68 = 272,648,460.88/x - Step 3: Cross multiply
437,579,403.76x = 604,045,510.68 × 272,648,460.88 - Step 4: Simplify right side
437,579,403.76x = 164,692,078,788,375,584 - Step 5: Solve for x
x = 164,692,078,788,375,584/437,579,403.76 - Step 6: Final answer
x = 376,370,728.09
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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.