Home / 448,435,280.40-672,652,920.60-206,570,576.40

Finding the Fourth Proportional to 448,435,280.40, 672,652,920.60 and 206,570,576.40

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Solution

The fourth proportional to 448,435,280.40, 672,652,920.60 and 206,570,576.40 is: 309,855,864.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,435,280.40 : 672,652,920.60 = 206,570,576.40 : x
  2. Step 2: Convert to fraction form
    448,435,280.40/672,652,920.60 = 206,570,576.40/x
  3. Step 3: Cross multiply
    448,435,280.40x = 672,652,920.60 × 206,570,576.40
  4. Step 4: Simplify right side
    448,435,280.40x = 138,950,301,525,485,440
  5. Step 5: Solve for x
    x = 138,950,301,525,485,440/448,435,280.40
  6. Step 6: Final answer
    x = 309,855,864.60

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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.