Finding the Fourth Proportional to 971,034,149.90, 1,456,551,224.85 and 675,127,801.10
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Solution
The fourth proportional to 971,034,149.90, 1,456,551,224.85 and 675,127,801.10 is: 1,012,691,701.65
Step by Step Solution
- Step 1: Write the proportion equation
971,034,149.90 : 1,456,551,224.85 = 675,127,801.10 : x - Step 2: Convert to fraction form
971,034,149.90/1,456,551,224.85 = 675,127,801.10/x - Step 3: Cross multiply
971,034,149.90x = 1,456,551,224.85 × 675,127,801.10 - Step 4: Simplify right side
971,034,149.90x = 983,358,225,622,492,160 - Step 5: Solve for x
x = 983,358,225,622,492,160/971,034,149.90 - Step 6: Final answer
x = 1,012,691,701.65
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Double scale
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Similar ratio
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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.