Finding the Fourth Proportional to 956,582,974.80, 1,434,874,462.20 and 874,953,637.20
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Solution
The fourth proportional to 956,582,974.80, 1,434,874,462.20 and 874,953,637.20 is: 1,312,430,455.80
Step by Step Solution
- Step 1: Write the proportion equation
956,582,974.80 : 1,434,874,462.20 = 874,953,637.20 : x - Step 2: Convert to fraction form
956,582,974.80/1,434,874,462.20 = 874,953,637.20/x - Step 3: Cross multiply
956,582,974.80x = 1,434,874,462.20 × 874,953,637.20 - Step 4: Simplify right side
956,582,974.80x = 1,255,448,629,627,283,968 - Step 5: Solve for x
x = 1,255,448,629,627,283,968/956,582,974.80 - Step 6: Final answer
x = 1,312,430,455.80
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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.