Finding the Fourth Proportional to 549,935,429.07, 758,925,275.18 and 299,054,493.99
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Solution
The fourth proportional to 549,935,429.07, 758,925,275.18 and 299,054,493.99 is: 412,703,023.20
Step by Step Solution
- Step 1: Write the proportion equation
549,935,429.07 : 758,925,275.18 = 299,054,493.99 : x - Step 2: Convert to fraction form
549,935,429.07/758,925,275.18 = 299,054,493.99/x - Step 3: Cross multiply
549,935,429.07x = 758,925,275.18 × 299,054,493.99 - Step 4: Simplify right side
549,935,429.07x = 226,960,014,143,681,120 - Step 5: Solve for x
x = 226,960,014,143,681,120/549,935,429.07 - Step 6: Final answer
x = 412,703,023.20
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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.