Home / 1,136,368,838.48-1,568,020,861.32-690,100,120.40

Finding the Fourth Proportional to 1,136,368,838.48, 1,568,020,861.32 and 690,100,120.40

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Solution

The fourth proportional to 1,136,368,838.48, 1,568,020,861.32 and 690,100,120.40 is: 952,236,059.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,368,838.48 : 1,568,020,861.32 = 690,100,120.40 : x
  2. Step 2: Convert to fraction form
    1,136,368,838.48/1,568,020,861.32 = 690,100,120.40/x
  3. Step 3: Cross multiply
    1,136,368,838.48x = 1,568,020,861.32 × 690,100,120.40
  4. Step 4: Simplify right side
    1,136,368,838.48x = 1,082,091,385,186,643,584
  5. Step 5: Solve for x
    x = 1,082,091,385,186,643,584/1,136,368,838.48
  6. Step 6: Final answer
    x = 952,236,059.76

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.