Finding the Fourth Proportional to 341,657,878.62, 512,574,210.45 and 99,320,782.62
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Solution
The fourth proportional to 341,657,878.62, 512,574,210.45 and 99,320,782.62 is: 149,006,579.15
Step by Step Solution
- Step 1: Write the proportion equation
341,657,878.62 : 512,574,210.45 = 99,320,782.62 : x - Step 2: Convert to fraction form
341,657,878.62/512,574,210.45 = 99,320,782.62/x - Step 3: Cross multiply
341,657,878.62x = 512,574,210.45 × 99,320,782.62 - Step 4: Simplify right side
341,657,878.62x = 50,909,271,732,722,584 - Step 5: Solve for x
x = 50,909,271,732,722,584/341,657,878.62 - Step 6: Final answer
x = 149,006,579.15
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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.