Home / 2,125,765,901.10-3,188,648,851.65-1,911,488,889.90

Finding the Fourth Proportional to 2,125,765,901.10, 3,188,648,851.65 and 1,911,488,889.90

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Solution

The fourth proportional to 2,125,765,901.10, 3,188,648,851.65 and 1,911,488,889.90 is: 2,867,233,334.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,765,901.10 : 3,188,648,851.65 = 1,911,488,889.90 : x
  2. Step 2: Convert to fraction form
    2,125,765,901.10/3,188,648,851.65 = 1,911,488,889.90/x
  3. Step 3: Cross multiply
    2,125,765,901.10x = 3,188,648,851.65 × 1,911,488,889.90
  4. Step 4: Simplify right side
    2,125,765,901.10x = 6,095,066,853,721,368,576
  5. Step 5: Solve for x
    x = 6,095,066,853,721,368,576/2,125,765,901.10
  6. Step 6: Final answer
    x = 2,867,233,334.85

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Double scale
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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.