Finding the Fourth Proportional to 933,938,323.80, 1,288,837,484.43 and 510,557,100.99
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Solution
The fourth proportional to 933,938,323.80, 1,288,837,484.43 and 510,557,100.99 is: 704,570,219.39
Step by Step Solution
- Step 1: Write the proportion equation
933,938,323.80 : 1,288,837,484.43 = 510,557,100.99 : x - Step 2: Convert to fraction form
933,938,323.80/1,288,837,484.43 = 510,557,100.99/x - Step 3: Cross multiply
933,938,323.80x = 1,288,837,484.43 × 510,557,100.99 - Step 4: Simplify right side
933,938,323.80x = 658,025,129,697,825,152 - Step 5: Solve for x
x = 658,025,129,697,825,152/933,938,323.80 - Step 6: Final answer
x = 704,570,219.39
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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.