Finding the Fourth Proportional to 1,180,251,053.74, 1,628,889,276.59 and 671,737,404.66
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Solution
The fourth proportional to 1,180,251,053.74, 1,628,889,276.59 and 671,737,404.66 is: 927,078,905.52
Step by Step Solution
- Step 1: Write the proportion equation
1,180,251,053.74 : 1,628,889,276.59 = 671,737,404.66 : x - Step 2: Convert to fraction form
1,180,251,053.74/1,628,889,276.59 = 671,737,404.66/x - Step 3: Cross multiply
1,180,251,053.74x = 1,628,889,276.59 × 671,737,404.66 - Step 4: Simplify right side
1,180,251,053.74x = 1,094,185,855,135,071,360 - Step 5: Solve for x
x = 1,094,185,855,135,071,360/1,180,251,053.74 - Step 6: Final answer
x = 927,078,905.52
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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.