Home / 1,567,465,310.32-2,163,101,492.82-862,617,289.30

Finding the Fourth Proportional to 1,567,465,310.32, 2,163,101,492.82 and 862,617,289.30

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Solution

The fourth proportional to 1,567,465,310.32, 2,163,101,492.82 and 862,617,289.30 is: 1,190,411,509.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,465,310.32 : 2,163,101,492.82 = 862,617,289.30 : x
  2. Step 2: Convert to fraction form
    1,567,465,310.32/2,163,101,492.82 = 862,617,289.30/x
  3. Step 3: Cross multiply
    1,567,465,310.32x = 2,163,101,492.82 × 862,617,289.30
  4. Step 4: Simplify right side
    1,567,465,310.32x = 1,865,928,746,217,171,968
  5. Step 5: Solve for x
    x = 1,865,928,746,217,171,968/1,567,465,310.32
  6. Step 6: Final answer
    x = 1,190,411,509.54

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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.