Finding the Fourth Proportional to 1,547,158,346.70, 2,315,635,686.45 and 1,087,993,322.70
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Solution
The fourth proportional to 1,547,158,346.70, 2,315,635,686.45 and 1,087,993,322.70 is: 1,628,402,270.55
Step by Step Solution
- Step 1: Write the proportion equation
1,547,158,346.70 : 2,315,635,686.45 = 1,087,993,322.70 : x - Step 2: Convert to fraction form
1,547,158,346.70/2,315,635,686.45 = 1,087,993,322.70/x - Step 3: Cross multiply
1,547,158,346.70x = 2,315,635,686.45 × 1,087,993,322.70 - Step 4: Simplify right side
1,547,158,346.70x = 2,519,396,164,663,430,656 - Step 5: Solve for x
x = 2,519,396,164,663,430,656/1,547,158,346.70 - Step 6: Final answer
x = 1,628,402,270.55
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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.