Finding the Fourth Proportional to 407,884,931.42, 611,391,735.76 and 232,630,648.70
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Solution
The fourth proportional to 407,884,931.42, 611,391,735.76 and 232,630,648.70 is: 348,697,500.55
Step by Step Solution
- Step 1: Write the proportion equation
407,884,931.42 : 611,391,735.76 = 232,630,648.70 : x - Step 2: Convert to fraction form
407,884,931.42/611,391,735.76 = 232,630,648.70/x - Step 3: Cross multiply
407,884,931.42x = 611,391,735.76 × 232,630,648.70 - Step 4: Simplify right side
407,884,931.42x = 142,228,456,099,667,776 - Step 5: Solve for x
x = 142,228,456,099,667,776/407,884,931.42 - Step 6: Final answer
x = 348,697,500.55
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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.