Finding the Fourth Proportional to 288,280,566.06, 432,420,849.09 and 72,869,814.06
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Solution
The fourth proportional to 288,280,566.06, 432,420,849.09 and 72,869,814.06 is: 109,304,721.09
Step by Step Solution
- Step 1: Write the proportion equation
288,280,566.06 : 432,420,849.09 = 72,869,814.06 : x - Step 2: Convert to fraction form
288,280,566.06/432,420,849.09 = 72,869,814.06/x - Step 3: Cross multiply
288,280,566.06x = 432,420,849.09 × 72,869,814.06 - Step 4: Simplify right side
288,280,566.06x = 31,510,426,868,855,620 - Step 5: Solve for x
x = 31,510,426,868,855,620/288,280,566.06 - Step 6: Final answer
x = 109,304,721.09
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1.5x scale
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.