Home / 2,162,784,209.68-2,984,700,896.52-1,223,127,367.12

Finding the Fourth Proportional to 2,162,784,209.68, 2,984,700,896.52 and 1,223,127,367.12

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Solution

The fourth proportional to 2,162,784,209.68, 2,984,700,896.52 and 1,223,127,367.12 is: 1,687,948,956.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162,784,209.68 : 2,984,700,896.52 = 1,223,127,367.12 : x
  2. Step 2: Convert to fraction form
    2,162,784,209.68/2,984,700,896.52 = 1,223,127,367.12/x
  3. Step 3: Cross multiply
    2,162,784,209.68x = 2,984,700,896.52 × 1,223,127,367.12
  4. Step 4: Simplify right side
    2,162,784,209.68x = 3,650,669,349,201,210,880
  5. Step 5: Solve for x
    x = 3,650,669,349,201,210,880/2,162,784,209.68
  6. Step 6: Final answer
    x = 1,687,948,956.19

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Double scale
Find fourth proportional to 2,162,784,210.68, 2,984,700,897.90 and 1,223,127,368.12
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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.