Finding the Fourth Proportional to 729,521,594.18, 1,094,349,661.72 and 238,237,438.66
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Solution
The fourth proportional to 729,521,594.18, 1,094,349,661.72 and 238,237,438.66 is: 357,378,126.28
Step by Step Solution
- Step 1: Write the proportion equation
729,521,594.18 : 1,094,349,661.72 = 238,237,438.66 : x - Step 2: Convert to fraction form
729,521,594.18/1,094,349,661.72 = 238,237,438.66/x - Step 3: Cross multiply
729,521,594.18x = 1,094,349,661.72 × 238,237,438.66 - Step 4: Simplify right side
729,521,594.18x = 260,715,060,406,610,240 - Step 5: Solve for x
x = 260,715,060,406,610,240/729,521,594.18 - Step 6: Final answer
x = 357,378,126.28
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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.