Finding the Fourth Proportional to 637,120,364.01, 879,270,291.63 and 386,235,330.63
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Solution
The fourth proportional to 637,120,364.01, 879,270,291.63 and 386,235,330.63 is: 533,031,544.72
Step by Step Solution
- Step 1: Write the proportion equation
637,120,364.01 : 879,270,291.63 = 386,235,330.63 : x - Step 2: Convert to fraction form
637,120,364.01/879,270,291.63 = 386,235,330.63/x - Step 3: Cross multiply
637,120,364.01x = 879,270,291.63 × 386,235,330.63 - Step 4: Simplify right side
637,120,364.01x = 339,605,251,800,849,536 - Step 5: Solve for x
x = 339,605,251,800,849,536/637,120,364.01 - Step 6: Final answer
x = 533,031,544.72
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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.