Finding the Fourth Proportional to 526,488,517.08, 726,545,302.74 and 291,534,134.52
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Solution
The fourth proportional to 526,488,517.08, 726,545,302.74 and 291,534,134.52 is: 402,312,204.64
Step by Step Solution
- Step 1: Write the proportion equation
526,488,517.08 : 726,545,302.74 = 291,534,134.52 : x - Step 2: Convert to fraction form
526,488,517.08/726,545,302.74 = 291,534,134.52/x - Step 3: Cross multiply
526,488,517.08x = 726,545,302.74 × 291,534,134.52 - Step 4: Simplify right side
526,488,517.08x = 211,812,756,023,877,280 - Step 5: Solve for x
x = 211,812,756,023,877,280/526,488,517.08 - Step 6: Final answer
x = 402,312,204.64
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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.