Finding the Fourth Proportional to 1,498,119,016.80, 2,246,621,115.60 and 515,269,682.40
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Solution
The fourth proportional to 1,498,119,016.80, 2,246,621,115.60 and 515,269,682.40 is: 772,712,805.68
Step by Step Solution
- Step 1: Write the proportion equation
1,498,119,016.80 : 2,246,621,115.60 = 515,269,682.40 : x - Step 2: Convert to fraction form
1,498,119,016.80/2,246,621,115.60 = 515,269,682.40/x - Step 3: Cross multiply
1,498,119,016.80x = 2,246,621,115.60 × 515,269,682.40 - Step 4: Simplify right side
1,498,119,016.80x = 1,157,615,748,708,345,600 - Step 5: Solve for x
x = 1,157,615,748,708,345,600/1,498,119,016.80 - Step 6: Final answer
x = 772,712,805.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.