Finding the Fourth Proportional to 935,637,289.26, 1,291,194,749.27 and 512,243,887.02
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Solution
The fourth proportional to 935,637,289.26, 1,291,194,749.27 and 512,243,887.02 is: 706,904,935.12
Step by Step Solution
- Step 1: Write the proportion equation
935,637,289.26 : 1,291,194,749.27 = 512,243,887.02 : x - Step 2: Convert to fraction form
935,637,289.26/1,291,194,749.27 = 512,243,887.02/x - Step 3: Cross multiply
935,637,289.26x = 1,291,194,749.27 × 512,243,887.02 - Step 4: Simplify right side
935,637,289.26x = 661,406,617,263,317,888 - Step 5: Solve for x
x = 661,406,617,263,317,888/935,637,289.26 - Step 6: Final answer
x = 706,904,935.12
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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.