Finding the Fourth Proportional to 984,574,350.79, 1,476,864,027.56 and 402,308,597.09
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Solution
The fourth proportional to 984,574,350.79, 1,476,864,027.56 and 402,308,597.09 is: 603,463,917.73
Step by Step Solution
- Step 1: Write the proportion equation
984,574,350.79 : 1,476,864,027.56 = 402,308,597.09 : x - Step 2: Convert to fraction form
984,574,350.79/1,476,864,027.56 = 402,308,597.09/x - Step 3: Cross multiply
984,574,350.79x = 1,476,864,027.56 × 402,308,597.09 - Step 4: Simplify right side
984,574,350.79x = 594,155,095,020,350,592 - Step 5: Solve for x
x = 594,155,095,020,350,592/984,574,350.79 - Step 6: Final answer
x = 603,463,917.73
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1.5x scale
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.