Finding the Fourth Proportional to 316,184,197.68, 474,438,430.08 and 152,561,496.60
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Solution
The fourth proportional to 316,184,197.68, 474,438,430.08 and 152,561,496.60 is: 228,920,475.69
Step by Step Solution
- Step 1: Write the proportion equation
316,184,197.68 : 474,438,430.08 = 152,561,496.60 : x - Step 2: Convert to fraction form
316,184,197.68/474,438,430.08 = 152,561,496.60/x - Step 3: Cross multiply
316,184,197.68x = 474,438,430.08 × 152,561,496.60 - Step 4: Simplify right side
316,184,197.68x = 72,381,036,937,559,248 - Step 5: Solve for x
x = 72,381,036,937,559,248/316,184,197.68 - Step 6: Final answer
x = 228,920,475.69
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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.