Finding the Fourth Proportional to 649,256,070.87, 896,056,354.71 and 363,163,496.68
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Solution
The fourth proportional to 649,256,070.87, 896,056,354.71 and 363,163,496.68 is: 501,212,038.82
Step by Step Solution
- Step 1: Write the proportion equation
649,256,070.87 : 896,056,354.71 = 363,163,496.68 : x - Step 2: Convert to fraction form
649,256,070.87/896,056,354.71 = 363,163,496.68/x - Step 3: Cross multiply
649,256,070.87x = 896,056,354.71 × 363,163,496.68 - Step 4: Simplify right side
649,256,070.87x = 325,414,958,998,817,984 - Step 5: Solve for x
x = 325,414,958,998,817,984/649,256,070.87 - Step 6: Final answer
x = 501,212,038.82
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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.