Home / 1,025,428,849.60-1,538,143,293.92-249,069,279.36

Finding the Fourth Proportional to 1,025,428,849.60, 1,538,143,293.92 and 249,069,279.36

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Solution

The fourth proportional to 1,025,428,849.60, 1,538,143,293.92 and 249,069,279.36 is: 373,603,923.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,428,849.60 : 1,538,143,293.92 = 249,069,279.36 : x
  2. Step 2: Convert to fraction form
    1,025,428,849.60/1,538,143,293.92 = 249,069,279.36/x
  3. Step 3: Cross multiply
    1,025,428,849.60x = 1,538,143,293.92 × 249,069,279.36
  4. Step 4: Simplify right side
    1,025,428,849.60x = 383,104,241,769,071,104
  5. Step 5: Solve for x
    x = 383,104,241,769,071,104/1,025,428,849.60
  6. Step 6: Final answer
    x = 373,603,923.78

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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.