Finding the Fourth Proportional to 948,609,707.24, 1,309,122,305.02 and 525,223,376.52
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Solution
The fourth proportional to 948,609,707.24, 1,309,122,305.02 and 525,223,376.52 is: 724,830,909.99
Step by Step Solution
- Step 1: Write the proportion equation
948,609,707.24 : 1,309,122,305.02 = 525,223,376.52 : x - Step 2: Convert to fraction form
948,609,707.24/1,309,122,305.02 = 525,223,376.52/x - Step 3: Cross multiply
948,609,707.24x = 1,309,122,305.02 × 525,223,376.52 - Step 4: Simplify right side
948,609,707.24x = 687,581,637,320,249,728 - Step 5: Solve for x
x = 687,581,637,320,249,728/948,609,707.24 - Step 6: Final answer
x = 724,830,909.99
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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.