Finding the Fourth Proportional to 654,955,317.92, 903,917,595.29 and 372,766,368.94
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Solution
The fourth proportional to 654,955,317.92, 903,917,595.29 and 372,766,368.94 is: 514,462,697.82
Step by Step Solution
- Step 1: Write the proportion equation
654,955,317.92 : 903,917,595.29 = 372,766,368.94 : x - Step 2: Convert to fraction form
654,955,317.92/903,917,595.29 = 372,766,368.94/x - Step 3: Cross multiply
654,955,317.92x = 903,917,595.29 × 372,766,368.94 - Step 4: Simplify right side
654,955,317.92x = 336,950,079,813,106,112 - Step 5: Solve for x
x = 336,950,079,813,106,112/654,955,317.92 - Step 6: Final answer
x = 514,462,697.82
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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.