Home / 1,700,750,917.50-2,347,036,246.90-918,469,765.50

Finding the Fourth Proportional to 1,700,750,917.50, 2,347,036,246.90 and 918,469,765.50

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Solution

The fourth proportional to 1,700,750,917.50, 2,347,036,246.90 and 918,469,765.50 is: 1,267,488,265.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700,750,917.50 : 2,347,036,246.90 = 918,469,765.50 : x
  2. Step 2: Convert to fraction form
    1,700,750,917.50/2,347,036,246.90 = 918,469,765.50/x
  3. Step 3: Cross multiply
    1,700,750,917.50x = 2,347,036,246.90 × 918,469,765.50
  4. Step 4: Simplify right side
    1,700,750,917.50x = 2,155,681,831,310,243,072
  5. Step 5: Solve for x
    x = 2,155,681,831,310,243,072/1,700,750,917.50
  6. Step 6: Final answer
    x = 1,267,488,265.99

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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.