Finding the Fourth Proportional to 372,832,835.56, 514,513,347.74 and 205,569,420.44
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Solution
The fourth proportional to 372,832,835.56, 514,513,347.74 and 205,569,420.44 is: 283,688,024.81
Step by Step Solution
- Step 1: Write the proportion equation
372,832,835.56 : 514,513,347.74 = 205,569,420.44 : x - Step 2: Convert to fraction form
372,832,835.56/514,513,347.74 = 205,569,420.44/x - Step 3: Cross multiply
372,832,835.56x = 514,513,347.74 × 205,569,420.44 - Step 4: Simplify right side
372,832,835.56x = 105,768,210,703,555,984 - Step 5: Solve for x
x = 105,768,210,703,555,984/372,832,835.56 - Step 6: Final answer
x = 283,688,024.81
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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.