Home / 2,106,782,792.10-3,160,174,188.15-1,977,642,629.10

Finding the Fourth Proportional to 2,106,782,792.10, 3,160,174,188.15 and 1,977,642,629.10

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Solution

The fourth proportional to 2,106,782,792.10, 3,160,174,188.15 and 1,977,642,629.10 is: 2,966,463,943.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,782,792.10 : 3,160,174,188.15 = 1,977,642,629.10 : x
  2. Step 2: Convert to fraction form
    2,106,782,792.10/3,160,174,188.15 = 1,977,642,629.10/x
  3. Step 3: Cross multiply
    2,106,782,792.10x = 3,160,174,188.15 × 1,977,642,629.10
  4. Step 4: Simplify right side
    2,106,782,792.10x = 6,249,695,189,866,924,032
  5. Step 5: Solve for x
    x = 6,249,695,189,866,924,032/2,106,782,792.10
  6. Step 6: Final answer
    x = 2,966,463,943.65

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Double scale
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Similar ratio
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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.