Home / 2,140,101,176.10-3,210,151,764.15-977,839,709.10

Finding the Fourth Proportional to 2,140,101,176.10, 3,210,151,764.15 and 977,839,709.10

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Solution

The fourth proportional to 2,140,101,176.10, 3,210,151,764.15 and 977,839,709.10 is: 1,466,759,563.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,101,176.10 : 3,210,151,764.15 = 977,839,709.10 : x
  2. Step 2: Convert to fraction form
    2,140,101,176.10/3,210,151,764.15 = 977,839,709.10/x
  3. Step 3: Cross multiply
    2,140,101,176.10x = 3,210,151,764.15 × 977,839,709.10
  4. Step 4: Simplify right side
    2,140,101,176.10x = 3,139,013,867,223,287,808
  5. Step 5: Solve for x
    x = 3,139,013,867,223,287,808/2,140,101,176.10
  6. Step 6: Final answer
    x = 1,466,759,563.65

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Double scale
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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.