Finding the Fourth Proportional to 291,267,306.60, 436,607,027.10 and 145,476,637.80
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Solution
The fourth proportional to 291,267,306.60, 436,607,027.10 and 145,476,637.80 is: 218,068,148.75
Step by Step Solution
- Step 1: Write the proportion equation
291,267,306.60 : 436,607,027.10 = 145,476,637.80 : x - Step 2: Convert to fraction form
291,267,306.60/436,607,027.10 = 145,476,637.80/x - Step 3: Cross multiply
291,267,306.60x = 436,607,027.10 × 145,476,637.80 - Step 4: Simplify right side
291,267,306.60x = 63,516,122,342,361,496 - Step 5: Solve for x
x = 63,516,122,342,361,496/291,267,306.60 - Step 6: Final answer
x = 218,068,148.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.