Finding the Fourth Proportional to 772,662,202.99, 1,066,551,191.63 and 459,395,669.62
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Solution
The fourth proportional to 772,662,202.99, 1,066,551,191.63 and 459,395,669.62 is: 634,130,926.77
Step by Step Solution
- Step 1: Write the proportion equation
772,662,202.99 : 1,066,551,191.63 = 459,395,669.62 : x - Step 2: Convert to fraction form
772,662,202.99/1,066,551,191.63 = 459,395,669.62/x - Step 3: Cross multiply
772,662,202.99x = 1,066,551,191.63 × 459,395,669.62 - Step 4: Simplify right side
772,662,202.99x = 489,968,998,862,872,768 - Step 5: Solve for x
x = 489,968,998,862,872,768/772,662,202.99 - Step 6: Final answer
x = 634,130,926.77
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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.