Home / 1,308,170,826.11-1,962,547,904.78-375,420,963.11

Finding the Fourth Proportional to 1,308,170,826.11, 1,962,547,904.78 and 375,420,963.11

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Solution

The fourth proportional to 1,308,170,826.11, 1,962,547,904.78 and 375,420,963.11 is: 563,215,147.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,170,826.11 : 1,962,547,904.78 = 375,420,963.11 : x
  2. Step 2: Convert to fraction form
    1,308,170,826.11/1,962,547,904.78 = 375,420,963.11/x
  3. Step 3: Cross multiply
    1,308,170,826.11x = 1,962,547,904.78 × 375,420,963.11
  4. Step 4: Simplify right side
    1,308,170,826.11x = 736,781,624,551,719,424
  5. Step 5: Solve for x
    x = 736,781,624,551,719,424/1,308,170,826.11
  6. Step 6: Final answer
    x = 563,215,147.32

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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.