Finding the Fourth Proportional to 851,387,312.01, 1,277,732,799.36 and 385,375,998.02
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Solution
The fourth proportional to 851,387,312.01, 1,277,732,799.36 and 385,375,998.02 is: 578,359,045.07
Step by Step Solution
- Step 1: Write the proportion equation
851,387,312.01 : 1,277,732,799.36 = 385,375,998.02 : x - Step 2: Convert to fraction form
851,387,312.01/1,277,732,799.36 = 385,375,998.02/x - Step 3: Cross multiply
851,387,312.01x = 1,277,732,799.36 × 385,375,998.02 - Step 4: Simplify right side
851,387,312.01x = 492,407,552,756,248,384 - Step 5: Solve for x
x = 492,407,552,756,248,384/851,387,312.01 - Step 6: Final answer
x = 578,359,045.07
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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.