Finding the Fourth Proportional to 1,498,176,139.80, 2,247,264,209.70 and 772,582,027.80
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Solution
The fourth proportional to 1,498,176,139.80, 2,247,264,209.70 and 772,582,027.80 is: 1,158,873,041.70
Step by Step Solution
- Step 1: Write the proportion equation
1,498,176,139.80 : 2,247,264,209.70 = 772,582,027.80 : x - Step 2: Convert to fraction form
1,498,176,139.80/2,247,264,209.70 = 772,582,027.80/x - Step 3: Cross multiply
1,498,176,139.80x = 2,247,264,209.70 × 772,582,027.80 - Step 4: Simplify right side
1,498,176,139.80x = 1,736,195,940,132,390,144 - Step 5: Solve for x
x = 1,736,195,940,132,390,144/1,498,176,139.80 - Step 6: Final answer
x = 1,158,873,041.70
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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.