Finding the Fourth Proportional to 1,022,979,077.80, 1,534,667,682.30 and 440,712,197.80
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Solution
The fourth proportional to 1,022,979,077.80, 1,534,667,682.30 and 440,712,197.80 is: 661,154,056.65
Step by Step Solution
- Step 1: Write the proportion equation
1,022,979,077.80 : 1,534,667,682.30 = 440,712,197.80 : x - Step 2: Convert to fraction form
1,022,979,077.80/1,534,667,682.30 = 440,712,197.80/x - Step 3: Cross multiply
1,022,979,077.80x = 1,534,667,682.30 × 440,712,197.80 - Step 4: Simplify right side
1,022,979,077.80x = 676,346,767,159,065,216 - Step 5: Solve for x
x = 676,346,767,159,065,216/1,022,979,077.80 - Step 6: Final answer
x = 661,154,056.65
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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.