Finding the Fourth Proportional to 953,862,886.40, 1,430,794,329.60 and 832,930,534.40
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Solution
The fourth proportional to 953,862,886.40, 1,430,794,329.60 and 832,930,534.40 is: 1,249,395,801.60
Step by Step Solution
- Step 1: Write the proportion equation
953,862,886.40 : 1,430,794,329.60 = 832,930,534.40 : x - Step 2: Convert to fraction form
953,862,886.40/1,430,794,329.60 = 832,930,534.40/x - Step 3: Cross multiply
953,862,886.40x = 1,430,794,329.60 × 832,930,534.40 - Step 4: Simplify right side
953,862,886.40x = 1,191,752,285,570,217,728 - Step 5: Solve for x
x = 1,191,752,285,570,217,728/953,862,886.40 - Step 6: Final answer
x = 1,249,395,801.60
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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.