Finding the Fourth Proportional to 1,665,403,289.40, 2,496,313,343.70 and 629,864,038.20
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Solution
The fourth proportional to 1,665,403,289.40, 2,496,313,343.70 and 629,864,038.20 is: 944,118,468.65
Step by Step Solution
- Step 1: Write the proportion equation
1,665,403,289.40 : 2,496,313,343.70 = 629,864,038.20 : x - Step 2: Convert to fraction form
1,665,403,289.40/2,496,313,343.70 = 629,864,038.20/x - Step 3: Cross multiply
1,665,403,289.40x = 2,496,313,343.70 × 629,864,038.20 - Step 4: Simplify right side
1,665,403,289.40x = 1,572,338,003,275,426,560 - Step 5: Solve for x
x = 1,572,338,003,275,426,560/1,665,403,289.40 - Step 6: Final answer
x = 944,118,468.65
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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.