Finding the Fourth Proportional to 683,879,253.98, 943,754,177.61 and 370,613,467.96
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Solution
The fourth proportional to 683,879,253.98, 943,754,177.61 and 370,613,467.96 is: 511,447,023.18
Step by Step Solution
- Step 1: Write the proportion equation
683,879,253.98 : 943,754,177.61 = 370,613,467.96 : x - Step 2: Convert to fraction form
683,879,253.98/943,754,177.61 = 370,613,467.96/x - Step 3: Cross multiply
683,879,253.98x = 943,754,177.61 × 370,613,467.96 - Step 4: Simplify right side
683,879,253.98x = 349,768,008,663,420,480 - Step 5: Solve for x
x = 349,768,008,663,420,480/683,879,253.98 - Step 6: Final answer
x = 511,447,023.18
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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.