Finding the Fourth Proportional to 1,758,127,869.80, 2,637,191,804.70 and 531,485,642.60
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Solution
The fourth proportional to 1,758,127,869.80, 2,637,191,804.70 and 531,485,642.60 is: 797,228,463.90
Step by Step Solution
- Step 1: Write the proportion equation
1,758,127,869.80 : 2,637,191,804.70 = 531,485,642.60 : x - Step 2: Convert to fraction form
1,758,127,869.80/2,637,191,804.70 = 531,485,642.60/x - Step 3: Cross multiply
1,758,127,869.80x = 2,637,191,804.70 × 531,485,642.60 - Step 4: Simplify right side
1,758,127,869.80x = 1,401,629,580,980,433,152 - Step 5: Solve for x
x = 1,401,629,580,980,433,152/1,758,127,869.80 - Step 6: Final answer
x = 797,228,463.90
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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.