Finding the Fourth Proportional to 998,973,134.60, 1,498,459,701.90 and 983,667,633.80
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Solution
The fourth proportional to 998,973,134.60, 1,498,459,701.90 and 983,667,633.80 is: 1,475,501,450.70
Step by Step Solution
- Step 1: Write the proportion equation
998,973,134.60 : 1,498,459,701.90 = 983,667,633.80 : x - Step 2: Convert to fraction form
998,973,134.60/1,498,459,701.90 = 983,667,633.80/x - Step 3: Cross multiply
998,973,134.60x = 1,498,459,701.90 × 983,667,633.80 - Step 4: Simplify right side
998,973,134.60x = 1,473,986,309,312,626,432 - Step 5: Solve for x
x = 1,473,986,309,312,626,432/998,973,134.60 - Step 6: Final answer
x = 1,475,501,450.70
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1.5x scale
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.