Finding the Fourth Proportional to 437,586,618,811.24, 656,604,314,712.24 and 211,139,191,972.99
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Solution
The fourth proportional to 437,586,618,811.24, 656,604,314,712.24 and 211,139,191,972.99 is: 316,817,056,314.34
Step by Step Solution
- Step 1: Write the proportion equation
437,586,618,811.24 : 656,604,314,712.24 = 211,139,191,972.99 : x - Step 2: Convert to fraction form
437,586,618,811.24/656,604,314,712.24 = 211,139,191,972.99/x - Step 3: Cross multiply
437,586,618,811.24x = 656,604,314,712.24 × 211,139,191,972.99 - Step 4: Simplify right side
437,586,618,811.24x = 138,634,904,454,321,173,168,128 - Step 5: Solve for x
x = 138,634,904,454,321,173,168,128/437,586,618,811.24 - Step 6: Final answer
x = 316,817,056,314.34
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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.