Finding the Fourth Proportional to 298,417,323.29, 411,536,572.02 and 235,842,909.05
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Solution
The fourth proportional to 298,417,323.29, 411,536,572.02 and 235,842,909.05 is: 325,242,453.28
Step by Step Solution
- Step 1: Write the proportion equation
298,417,323.29 : 411,536,572.02 = 235,842,909.05 : x - Step 2: Convert to fraction form
298,417,323.29/411,536,572.02 = 235,842,909.05/x - Step 3: Cross multiply
298,417,323.29x = 411,536,572.02 × 235,842,909.05 - Step 4: Simplify right side
298,417,323.29x = 97,057,982,326,690,480 - Step 5: Solve for x
x = 97,057,982,326,690,480/298,417,323.29 - Step 6: Final answer
x = 325,242,453.28
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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.