Finding the Fourth Proportional to 430,920,187.05, 604,818,811.95 and 430,920,187.05
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Solution
The fourth proportional to 430,920,187.05, 604,818,811.95 and 430,920,187.05 is: 604,818,811.95
Step by Step Solution
- Step 1: Write the proportion equation
430,920,187.05 : 604,818,811.95 = 430,920,187.05 : x - Step 2: Convert to fraction form
430,920,187.05/604,818,811.95 = 430,920,187.05/x - Step 3: Cross multiply
430,920,187.05x = 604,818,811.95 × 430,920,187.05 - Step 4: Simplify right side
430,920,187.05x = 260,628,635,576,852,800 - Step 5: Solve for x
x = 260,628,635,576,852,800/430,920,187.05 - Step 6: Final answer
x = 604,818,811.95
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.