Finding the Fourth Proportional to 3,127,416,547.28, 4,315,919,116.10 and 1,840,018,280.26
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Solution
The fourth proportional to 3,127,416,547.28, 4,315,919,116.10 and 1,840,018,280.26 is: 2,539,274,813.47
Step by Step Solution
- Step 1: Write the proportion equation
3,127,416,547.28 : 4,315,919,116.10 = 1,840,018,280.26 : x - Step 2: Convert to fraction form
3,127,416,547.28/4,315,919,116.10 = 1,840,018,280.26/x - Step 3: Cross multiply
3,127,416,547.28x = 4,315,919,116.10 × 1,840,018,280.26 - Step 4: Simplify right side
3,127,416,547.28x = 7,941,370,069,747,581,952 - Step 5: Solve for x
x = 7,941,370,069,747,581,952/3,127,416,547.28 - Step 6: Final answer
x = 2,539,274,813.47
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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.