Finding the Fourth Proportional to 657,124,165.99, 985,817,780.63 and 242,603,507.48
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Solution
The fourth proportional to 657,124,165.99, 985,817,780.63 and 242,603,507.48 is: 363,953,821.36
Step by Step Solution
- Step 1: Write the proportion equation
657,124,165.99 : 985,817,780.63 = 242,603,507.48 : x - Step 2: Convert to fraction form
657,124,165.99/985,817,780.63 = 242,603,507.48/x - Step 3: Cross multiply
657,124,165.99x = 985,817,780.63 × 242,603,507.48 - Step 4: Simplify right side
657,124,165.99x = 239,162,851,315,774,176 - Step 5: Solve for x
x = 239,162,851,315,774,176/657,124,165.99 - Step 6: Final answer
x = 363,953,821.36
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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.