Finding the Fourth Proportional to 634,284,587.08, 875,688,005.22 and 399,536,468.68
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Solution
The fourth proportional to 634,284,587.08, 875,688,005.22 and 399,536,468.68 is: 551,596,712.89
Step by Step Solution
- Step 1: Write the proportion equation
634,284,587.08 : 875,688,005.22 = 399,536,468.68 : x - Step 2: Convert to fraction form
634,284,587.08/875,688,005.22 = 399,536,468.68/x - Step 3: Cross multiply
634,284,587.08x = 875,688,005.22 × 399,536,468.68 - Step 4: Simplify right side
634,284,587.08x = 349,869,293,271,032,256 - Step 5: Solve for x
x = 349,869,293,271,032,256/634,284,587.08 - Step 6: Final answer
x = 551,596,712.89
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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.