Finding the Fourth Proportional to 524,264,395.36, 723,502,242.71 and 286,122,619.62
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Solution
The fourth proportional to 524,264,395.36, 723,502,242.71 and 286,122,619.62 is: 394,858,698.81
Step by Step Solution
- Step 1: Write the proportion equation
524,264,395.36 : 723,502,242.71 = 286,122,619.62 : x - Step 2: Convert to fraction form
524,264,395.36/723,502,242.71 = 286,122,619.62/x - Step 3: Cross multiply
524,264,395.36x = 723,502,242.71 × 286,122,619.62 - Step 4: Simplify right side
524,264,395.36x = 207,010,356,985,130,272 - Step 5: Solve for x
x = 207,010,356,985,130,272/524,264,395.36 - Step 6: Final answer
x = 394,858,698.81
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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.