Home / 487,363,077.78-731,047,104.99-164,249,749.14

Finding the Fourth Proportional to 487,363,077.78, 731,047,104.99 and 164,249,749.14

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Solution

The fourth proportional to 487,363,077.78, 731,047,104.99 and 164,249,749.14 is: 246,375,462.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,363,077.78 : 731,047,104.99 = 164,249,749.14 : x
  2. Step 2: Convert to fraction form
    487,363,077.78/731,047,104.99 = 164,249,749.14/x
  3. Step 3: Cross multiply
    487,363,077.78x = 731,047,104.99 × 164,249,749.14
  4. Step 4: Simplify right side
    487,363,077.78x = 120,074,303,604,130,736
  5. Step 5: Solve for x
    x = 120,074,303,604,130,736/487,363,077.78
  6. Step 6: Final answer
    x = 246,375,462.32

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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.