Home / 909,096,214.24-1,254,553,147.22-491,408,498.17

Finding the Fourth Proportional to 909,096,214.24, 1,254,553,147.22 and 491,408,498.17

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Solution

The fourth proportional to 909,096,214.24, 1,254,553,147.22 and 491,408,498.17 is: 678,143,928.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,096,214.24 : 1,254,553,147.22 = 491,408,498.17 : x
  2. Step 2: Convert to fraction form
    909,096,214.24/1,254,553,147.22 = 491,408,498.17/x
  3. Step 3: Cross multiply
    909,096,214.24x = 1,254,553,147.22 × 491,408,498.17
  4. Step 4: Simplify right side
    909,096,214.24x = 616,498,077,949,827,200
  5. Step 5: Solve for x
    x = 616,498,077,949,827,200/909,096,214.24
  6. Step 6: Final answer
    x = 678,143,928.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.