Finding the Fourth Proportional to 845,712,693.44, 1,167,583,883.28 and 532,715,202.08
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Solution
The fourth proportional to 845,712,693.44, 1,167,583,883.28 and 532,715,202.08 is: 735,462,160.08
Step by Step Solution
- Step 1: Write the proportion equation
845,712,693.44 : 1,167,583,883.28 = 532,715,202.08 : x - Step 2: Convert to fraction form
845,712,693.44/1,167,583,883.28 = 532,715,202.08/x - Step 3: Cross multiply
845,712,693.44x = 1,167,583,883.28 × 532,715,202.08 - Step 4: Simplify right side
845,712,693.44x = 621,989,684,326,856,320 - Step 5: Solve for x
x = 621,989,684,326,856,320/845,712,693.44 - Step 6: Final answer
x = 735,462,160.08
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.