Finding the Fourth Proportional to 399,265,006.60, 598,897,509.90 and 194,687,777.80
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Solution
The fourth proportional to 399,265,006.60, 598,897,509.90 and 194,687,777.80 is: 292,031,666.70
Step by Step Solution
- Step 1: Write the proportion equation
399,265,006.60 : 598,897,509.90 = 194,687,777.80 : x - Step 2: Convert to fraction form
399,265,006.60/598,897,509.90 = 194,687,777.80/x - Step 3: Cross multiply
399,265,006.60x = 598,897,509.90 × 194,687,777.80 - Step 4: Simplify right side
399,265,006.60x = 116,598,025,332,384,496 - Step 5: Solve for x
x = 116,598,025,332,384,496/399,265,006.60 - Step 6: Final answer
x = 292,031,666.70
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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.