Finding the Fourth Proportional to 665,172,021.60, 996,624,291.60 and 567,670,312.80
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Solution
The fourth proportional to 665,172,021.60, 996,624,291.60 and 567,670,312.80 is: 850,537,913.48
Step by Step Solution
- Step 1: Write the proportion equation
665,172,021.60 : 996,624,291.60 = 567,670,312.80 : x - Step 2: Convert to fraction form
665,172,021.60/996,624,291.60 = 567,670,312.80/x - Step 3: Cross multiply
665,172,021.60x = 996,624,291.60 × 567,670,312.80 - Step 4: Simplify right side
665,172,021.60x = 565,754,023,356,650,368 - Step 5: Solve for x
x = 565,754,023,356,650,368/665,172,021.60 - Step 6: Final answer
x = 850,537,913.48
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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.