Finding the Fourth Proportional to 336,671,792.36, 464,927,950.68 and 318,330,123.20
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Solution
The fourth proportional to 336,671,792.36, 464,927,950.68 and 318,330,123.20 is: 439,598,966.05
Step by Step Solution
- Step 1: Write the proportion equation
336,671,792.36 : 464,927,950.68 = 318,330,123.20 : x - Step 2: Convert to fraction form
336,671,792.36/464,927,950.68 = 318,330,123.20/x - Step 3: Cross multiply
336,671,792.36x = 464,927,950.68 × 318,330,123.20 - Step 4: Simplify right side
336,671,792.36x = 148,000,571,819,087,936 - Step 5: Solve for x
x = 148,000,571,819,087,936/336,671,792.36 - Step 6: Final answer
x = 439,598,966.05
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.