Finding the Fourth Proportional to 861,558,202.07, 1,291,356,985.78 and 524,291,888.55
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Solution
The fourth proportional to 861,558,202.07, 1,291,356,985.78 and 524,291,888.55 is: 785,841,271.36
Step by Step Solution
- Step 1: Write the proportion equation
861,558,202.07 : 1,291,356,985.78 = 524,291,888.55 : x - Step 2: Convert to fraction form
861,558,202.07/1,291,356,985.78 = 524,291,888.55/x - Step 3: Cross multiply
861,558,202.07x = 1,291,356,985.78 × 524,291,888.55 - Step 4: Simplify right side
861,558,202.07x = 677,047,992,866,831,744 - Step 5: Solve for x
x = 677,047,992,866,831,744/861,558,202.07 - Step 6: Final answer
x = 785,841,271.36
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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.