Finding the Fourth Proportional to 503,926,237.98, 695,418,202.71 and 272,139,229.98
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Solution
The fourth proportional to 503,926,237.98, 695,418,202.71 and 272,139,229.98 is: 375,552,134.29
Step by Step Solution
- Step 1: Write the proportion equation
503,926,237.98 : 695,418,202.71 = 272,139,229.98 : x - Step 2: Convert to fraction form
503,926,237.98/695,418,202.71 = 272,139,229.98/x - Step 3: Cross multiply
503,926,237.98x = 695,418,202.71 × 272,139,229.98 - Step 4: Simplify right side
503,926,237.98x = 189,250,574,199,574,976 - Step 5: Solve for x
x = 189,250,574,199,574,976/503,926,237.98 - Step 6: Final answer
x = 375,552,134.29
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1.5x scale
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.