Finding the Fourth Proportional to 652,345,334.99, 900,236,709.10 and 358,989,902.99
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Solution
The fourth proportional to 652,345,334.99, 900,236,709.10 and 358,989,902.99 is: 495,406,146.92
Step by Step Solution
- Step 1: Write the proportion equation
652,345,334.99 : 900,236,709.10 = 358,989,902.99 : x - Step 2: Convert to fraction form
652,345,334.99/900,236,709.10 = 358,989,902.99/x - Step 3: Cross multiply
652,345,334.99x = 900,236,709.10 × 358,989,902.99 - Step 4: Simplify right side
652,345,334.99x = 323,175,888,867,845,888 - Step 5: Solve for x
x = 323,175,888,867,845,888/652,345,334.99 - Step 6: Final answer
x = 495,406,146.92
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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.