Finding the Fourth Proportional to 606,878,502.76, 837,494,887.08 and 328,420,039.96
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Solution
The fourth proportional to 606,878,502.76, 837,494,887.08 and 328,420,039.96 is: 453,221,036.88
Step by Step Solution
- Step 1: Write the proportion equation
606,878,502.76 : 837,494,887.08 = 328,420,039.96 : x - Step 2: Convert to fraction form
606,878,502.76/837,494,887.08 = 328,420,039.96/x - Step 3: Cross multiply
606,878,502.76x = 837,494,887.08 × 328,420,039.96 - Step 4: Simplify right side
606,878,502.76x = 275,050,104,281,109,280 - Step 5: Solve for x
x = 275,050,104,281,109,280/606,878,502.76 - Step 6: Final answer
x = 453,221,036.88
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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.