Finding the Fourth Proportional to 447,588,934.08, 617,508,881.76 and 271,249,718.72
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Solution
The fourth proportional to 447,588,934.08, 617,508,881.76 and 271,249,718.72 is: 374,225,316.43
Step by Step Solution
- Step 1: Write the proportion equation
447,588,934.08 : 617,508,881.76 = 271,249,718.72 : x - Step 2: Convert to fraction form
447,588,934.08/617,508,881.76 = 271,249,718.72/x - Step 3: Cross multiply
447,588,934.08x = 617,508,881.76 × 271,249,718.72 - Step 4: Simplify right side
447,588,934.08x = 167,499,110,484,501,760 - Step 5: Solve for x
x = 167,499,110,484,501,760/447,588,934.08 - Step 6: Final answer
x = 374,225,316.43
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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.