Finding the Fourth Proportional to 416,387,625.84, 574,607,908.44 and 230,748,263.28
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Solution
The fourth proportional to 416,387,625.84, 574,607,908.44 and 230,748,263.28 is: 318,428,715.72
Step by Step Solution
- Step 1: Write the proportion equation
416,387,625.84 : 574,607,908.44 = 230,748,263.28 : x - Step 2: Convert to fraction form
416,387,625.84/574,607,908.44 = 230,748,263.28/x - Step 3: Cross multiply
416,387,625.84x = 574,607,908.44 × 230,748,263.28 - Step 4: Simplify right side
416,387,625.84x = 132,589,776,939,483,264 - Step 5: Solve for x
x = 132,589,776,939,483,264/416,387,625.84 - Step 6: Final answer
x = 318,428,715.72
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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.