Finding the Fourth Proportional to 1,134,153,985.20, 1,701,230,977.80 and 667,336,210.80
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Solution
The fourth proportional to 1,134,153,985.20, 1,701,230,977.80 and 667,336,210.80 is: 1,001,004,316.20
Step by Step Solution
- Step 1: Write the proportion equation
1,134,153,985.20 : 1,701,230,977.80 = 667,336,210.80 : x - Step 2: Convert to fraction form
1,134,153,985.20/1,701,230,977.80 = 667,336,210.80/x - Step 3: Cross multiply
1,134,153,985.20x = 1,701,230,977.80 × 667,336,210.80 - Step 4: Simplify right side
1,134,153,985.20x = 1,135,293,034,420,630,784 - Step 5: Solve for x
x = 1,135,293,034,420,630,784/1,134,153,985.20 - Step 6: Final answer
x = 1,001,004,316.20
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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.