Finding the Fourth Proportional to 667,691,110.94, 920,349,097.34 and 526,331,807.15
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Solution
The fourth proportional to 667,691,110.94, 920,349,097.34 and 526,331,807.15 is: 725,498,656.00
Step by Step Solution
- Step 1: Write the proportion equation
667,691,110.94 : 920,349,097.34 = 526,331,807.15 : x - Step 2: Convert to fraction form
667,691,110.94/920,349,097.34 = 526,331,807.15/x - Step 3: Cross multiply
667,691,110.94x = 920,349,097.34 × 526,331,807.15 - Step 4: Simplify right side
667,691,110.94x = 484,409,003,604,600,064 - Step 5: Solve for x
x = 484,409,003,604,600,064/667,691,110.94 - Step 6: Final answer
x = 725,498,656.00
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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.