Finding the Fourth Proportional to 403,051,306,917.97, 604,579,220,517.12 and 134,439,549,701.80
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Solution
The fourth proportional to 403,051,306,917.97, 604,579,220,517.12 and 134,439,549,701.80 is: 201,660,078,432.47
Step by Step Solution
- Step 1: Write the proportion equation
403,051,306,917.97 : 604,579,220,517.12 = 134,439,549,701.80 : x - Step 2: Convert to fraction form
403,051,306,917.97/604,579,220,517.12 = 134,439,549,701.80/x - Step 3: Cross multiply
403,051,306,917.97x = 604,579,220,517.12 × 134,439,549,701.80 - Step 4: Simplify right side
403,051,306,917.97x = 81,279,358,165,386,855,972,864 - Step 5: Solve for x
x = 81,279,358,165,386,855,972,864/403,051,306,917.97 - Step 6: Final answer
x = 201,660,078,432.47
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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.