Finding the Fourth Proportional to 292,035,097.60, 438,052,646.40 and 177,149,363.20
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Solution
The fourth proportional to 292,035,097.60, 438,052,646.40 and 177,149,363.20 is: 265,724,044.80
Step by Step Solution
- Step 1: Write the proportion equation
292,035,097.60 : 438,052,646.40 = 177,149,363.20 : x - Step 2: Convert to fraction form
292,035,097.60/438,052,646.40 = 177,149,363.20/x - Step 3: Cross multiply
292,035,097.60x = 438,052,646.40 × 177,149,363.20 - Step 4: Simplify right side
292,035,097.60x = 77,600,747,357,834,768 - Step 5: Solve for x
x = 77,600,747,357,834,768/292,035,097.60 - Step 6: Final answer
x = 265,724,044.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.