Finding the Fourth Proportional to 1,582,422,104.07, 2,373,851,430.74 and 918,748,678.74
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Solution
The fourth proportional to 1,582,422,104.07, 2,373,851,430.74 and 918,748,678.74 is: 1,378,249,747.59
Step by Step Solution
- Step 1: Write the proportion equation
1,582,422,104.07 : 2,373,851,430.74 = 918,748,678.74 : x - Step 2: Convert to fraction form
1,582,422,104.07/2,373,851,430.74 = 918,748,678.74/x - Step 3: Cross multiply
1,582,422,104.07x = 2,373,851,430.74 × 918,748,678.74 - Step 4: Simplify right side
1,582,422,104.07x = 2,180,972,865,517,433,344 - Step 5: Solve for x
x = 2,180,972,865,517,433,344/1,582,422,104.07 - Step 6: Final answer
x = 1,378,249,747.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.