Finding the Fourth Proportional to 545,331,325.10, 817,996,987.65 and 423,503,177.90
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Solution
The fourth proportional to 545,331,325.10, 817,996,987.65 and 423,503,177.90 is: 635,254,766.85
Step by Step Solution
- Step 1: Write the proportion equation
545,331,325.10 : 817,996,987.65 = 423,503,177.90 : x - Step 2: Convert to fraction form
545,331,325.10/817,996,987.65 = 423,503,177.90/x - Step 3: Cross multiply
545,331,325.10x = 817,996,987.65 × 423,503,177.90 - Step 4: Simplify right side
545,331,325.10x = 346,424,323,782,402,048 - Step 5: Solve for x
x = 346,424,323,782,402,048/545,331,325.10 - Step 6: Final answer
x = 635,254,766.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.