Finding the Fourth Proportional to 832,861,130.51, 1,149,348,468.97 and 461,607,130.19
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Solution
The fourth proportional to 832,861,130.51, 1,149,348,468.97 and 461,607,130.19 is: 637,017,900.00
Step by Step Solution
- Step 1: Write the proportion equation
832,861,130.51 : 1,149,348,468.97 = 461,607,130.19 : x - Step 2: Convert to fraction form
832,861,130.51/1,149,348,468.97 = 461,607,130.19/x - Step 3: Cross multiply
832,861,130.51x = 1,149,348,468.97 × 461,607,130.19 - Step 4: Simplify right side
832,861,130.51x = 530,547,448,352,985,344 - Step 5: Solve for x
x = 530,547,448,352,985,344/832,861,130.51 - Step 6: Final answer
x = 637,017,900.00
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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.