Finding the Fourth Proportional to 1,920,678,502.56, 2,649,724,712.04 and 1,285,803,541.08
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Solution
The fourth proportional to 1,920,678,502.56, 2,649,724,712.04 and 1,285,803,541.08 is: 1,773,865,544.44
Step by Step Solution
- Step 1: Write the proportion equation
1,920,678,502.56 : 2,649,724,712.04 = 1,285,803,541.08 : x - Step 2: Convert to fraction form
1,920,678,502.56/2,649,724,712.04 = 1,285,803,541.08/x - Step 3: Cross multiply
1,920,678,502.56x = 2,649,724,712.04 × 1,285,803,541.08 - Step 4: Simplify right side
1,920,678,502.56x = 3,407,025,417,628,215,296 - Step 5: Solve for x
x = 3,407,025,417,628,215,296/1,920,678,502.56 - Step 6: Final answer
x = 1,773,865,544.44
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.