Finding the Fourth Proportional to 767,248,806.99, 1,058,801,362.18 and 428,153,727.08
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Solution
The fourth proportional to 767,248,806.99, 1,058,801,362.18 and 428,153,727.08 is: 590,851,032.05
Step by Step Solution
- Step 1: Write the proportion equation
767,248,806.99 : 1,058,801,362.18 = 428,153,727.08 : x - Step 2: Convert to fraction form
767,248,806.99/1,058,801,362.18 = 428,153,727.08/x - Step 3: Cross multiply
767,248,806.99x = 1,058,801,362.18 × 428,153,727.08 - Step 4: Simplify right side
767,248,806.99x = 453,329,749,452,607,168 - Step 5: Solve for x
x = 453,329,749,452,607,168/767,248,806.99 - Step 6: Final answer
x = 590,851,032.05
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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.