Home / 1,025,543,399.32-1,538,317,023.90-249,189,717.16

Finding the Fourth Proportional to 1,025,543,399.32, 1,538,317,023.90 and 249,189,717.16

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Solution

The fourth proportional to 1,025,543,399.32, 1,538,317,023.90 and 249,189,717.16 is: 373,785,043.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,543,399.32 : 1,538,317,023.90 = 249,189,717.16 : x
  2. Step 2: Convert to fraction form
    1,025,543,399.32/1,538,317,023.90 = 249,189,717.16/x
  3. Step 3: Cross multiply
    1,025,543,399.32x = 1,538,317,023.90 × 249,189,717.16
  4. Step 4: Simplify right side
    1,025,543,399.32x = 383,332,784,088,053,952
  5. Step 5: Solve for x
    x = 383,332,784,088,053,952/1,025,543,399.32
  6. Step 6: Final answer
    x = 373,785,043.46

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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.