Finding the Fourth Proportional to 678,344,424.24, 1,016,649,904.23 and 547,248,522.09
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Solution
The fourth proportional to 678,344,424.24, 1,016,649,904.23 and 547,248,522.09 is: 820,173,554.45
Step by Step Solution
- Step 1: Write the proportion equation
678,344,424.24 : 1,016,649,904.23 = 547,248,522.09 : x - Step 2: Convert to fraction form
678,344,424.24/1,016,649,904.23 = 547,248,522.09/x - Step 3: Cross multiply
678,344,424.24x = 1,016,649,904.23 × 547,248,522.09 - Step 4: Simplify right side
678,344,424.24x = 556,360,157,572,807,552 - Step 5: Solve for x
x = 556,360,157,572,807,552/678,344,424.24 - Step 6: Final answer
x = 820,173,554.45
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1.5x scale
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.