Finding the Fourth Proportional to 432,038,421.48, 647,795,199.50 and 169,408,337.84
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Solution
The fourth proportional to 432,038,421.48, 647,795,199.50 and 169,408,337.84 is: 254,009,603.19
Step by Step Solution
- Step 1: Write the proportion equation
432,038,421.48 : 647,795,199.50 = 169,408,337.84 : x - Step 2: Convert to fraction form
432,038,421.48/647,795,199.50 = 169,408,337.84/x - Step 3: Cross multiply
432,038,421.48x = 647,795,199.50 × 169,408,337.84 - Step 4: Simplify right side
432,038,421.48x = 109,741,908,003,940,192 - Step 5: Solve for x
x = 109,741,908,003,940,192/432,038,421.48 - Step 6: Final answer
x = 254,009,603.19
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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.