Finding the Fourth Proportional to 1,861,843,785.68, 2,569,362,259.64 and 1,026,498,315.44
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Solution
The fourth proportional to 1,861,843,785.68, 2,569,362,259.64 and 1,026,498,315.44 is: 1,416,577,508.58
Step by Step Solution
- Step 1: Write the proportion equation
1,861,843,785.68 : 2,569,362,259.64 = 1,026,498,315.44 : x - Step 2: Convert to fraction form
1,861,843,785.68/2,569,362,259.64 = 1,026,498,315.44/x - Step 3: Cross multiply
1,861,843,785.68x = 2,569,362,259.64 × 1,026,498,315.44 - Step 4: Simplify right side
1,861,843,785.68x = 2,637,446,031,275,571,712 - Step 5: Solve for x
x = 2,637,446,031,275,571,712/1,861,843,785.68 - Step 6: Final answer
x = 1,416,577,508.58
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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.