Finding the Fourth Proportional to 1,908,864,828.35, 2,634,192,174.95 and 1,105,126,220.18
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Solution
The fourth proportional to 1,908,864,828.35, 2,634,192,174.95 and 1,105,126,220.18 is: 1,525,050,280.30
Step by Step Solution
- Step 1: Write the proportion equation
1,908,864,828.35 : 2,634,192,174.95 = 1,105,126,220.18 : x - Step 2: Convert to fraction form
1,908,864,828.35/2,634,192,174.95 = 1,105,126,220.18/x - Step 3: Cross multiply
1,908,864,828.35x = 2,634,192,174.95 × 1,105,126,220.18 - Step 4: Simplify right side
1,908,864,828.35x = 2,911,114,841,535,485,952 - Step 5: Solve for x
x = 2,911,114,841,535,485,952/1,908,864,828.35 - Step 6: Final answer
x = 1,525,050,280.30
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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.