Home / 487,363,074.03-731,047,099.37-164,249,745.39

Finding the Fourth Proportional to 487,363,074.03, 731,047,099.37 and 164,249,745.39

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Solution

The fourth proportional to 487,363,074.03, 731,047,099.37 and 164,249,745.39 is: 246,375,456.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,363,074.03 : 731,047,099.37 = 164,249,745.39 : x
  2. Step 2: Convert to fraction form
    487,363,074.03/731,047,099.37 = 164,249,745.39/x
  3. Step 3: Cross multiply
    487,363,074.03x = 731,047,099.37 × 164,249,745.39
  4. Step 4: Simplify right side
    487,363,074.03x = 120,074,299,938,799,264
  5. Step 5: Solve for x
    x = 120,074,299,938,799,264/487,363,074.03
  6. Step 6: Final answer
    x = 246,375,456.69

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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.