Home / 1,291,928,695.38-1,938,237,905.43-462,966,134.44

Finding the Fourth Proportional to 1,291,928,695.38, 1,938,237,905.43 and 462,966,134.44

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Solution

The fourth proportional to 1,291,928,695.38, 1,938,237,905.43 and 462,966,134.44 is: 694,572,784.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,928,695.38 : 1,938,237,905.43 = 462,966,134.44 : x
  2. Step 2: Convert to fraction form
    1,291,928,695.38/1,938,237,905.43 = 462,966,134.44/x
  3. Step 3: Cross multiply
    1,291,928,695.38x = 1,938,237,905.43 × 462,966,134.44
  4. Step 4: Simplify right side
    1,291,928,695.38x = 897,338,510,700,769,024
  5. Step 5: Solve for x
    x = 897,338,510,700,769,024/1,291,928,695.38
  6. Step 6: Final answer
    x = 694,572,784.02

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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.