Home / 1,187,533,023.40-1,781,299,535.10-325,890,015.40

Finding the Fourth Proportional to 1,187,533,023.40, 1,781,299,535.10 and 325,890,015.40

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Solution

The fourth proportional to 1,187,533,023.40, 1,781,299,535.10 and 325,890,015.40 is: 488,835,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,533,023.40 : 1,781,299,535.10 = 325,890,015.40 : x
  2. Step 2: Convert to fraction form
    1,187,533,023.40/1,781,299,535.10 = 325,890,015.40/x
  3. Step 3: Cross multiply
    1,187,533,023.40x = 1,781,299,535.10 × 325,890,015.40
  4. Step 4: Simplify right side
    1,187,533,023.40x = 580,507,732,925,751,808
  5. Step 5: Solve for x
    x = 580,507,732,925,751,808/1,187,533,023.40
  6. Step 6: Final answer
    x = 488,835,023.10

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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.