Finding the Fourth Proportional to 832,859,887.20, 1,149,346,753.28 and 461,605,886.88
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Solution
The fourth proportional to 832,859,887.20, 1,149,346,753.28 and 461,605,886.88 is: 637,016,184.28
Step by Step Solution
- Step 1: Write the proportion equation
832,859,887.20 : 1,149,346,753.28 = 461,605,886.88 : x - Step 2: Convert to fraction form
832,859,887.20/1,149,346,753.28 = 461,605,886.88/x - Step 3: Cross multiply
832,859,887.20x = 1,149,346,753.28 × 461,605,886.88 - Step 4: Simplify right side
832,859,887.20x = 530,545,227,380,462,912 - Step 5: Solve for x
x = 530,545,227,380,462,912/832,859,887.20 - Step 6: Final answer
x = 637,016,184.28
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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.