Finding the Fourth Proportional to 968,724,237.44, 1,451,905,851.32 and 502,128,422.70
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Solution
The fourth proportional to 968,724,237.44, 1,451,905,851.32 and 502,128,422.70 is: 752,580,731.29
Step by Step Solution
- Step 1: Write the proportion equation
968,724,237.44 : 1,451,905,851.32 = 502,128,422.70 : x - Step 2: Convert to fraction form
968,724,237.44/1,451,905,851.32 = 502,128,422.70/x - Step 3: Cross multiply
968,724,237.44x = 1,451,905,851.32 × 502,128,422.70 - Step 4: Simplify right side
968,724,237.44x = 729,043,195,029,701,632 - Step 5: Solve for x
x = 729,043,195,029,701,632/968,724,237.44 - Step 6: Final answer
x = 752,580,731.29
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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.