Home / 436,748,264.15-655,447,771.80-320,464,105.92

Finding the Fourth Proportional to 436,748,264.15, 655,447,771.80 and 320,464,105.92

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Solution

The fourth proportional to 436,748,264.15, 655,447,771.80 and 320,464,105.92 is: 480,934,903.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,748,264.15 : 655,447,771.80 = 320,464,105.92 : x
  2. Step 2: Convert to fraction form
    436,748,264.15/655,447,771.80 = 320,464,105.92/x
  3. Step 3: Cross multiply
    436,748,264.15x = 655,447,771.80 × 320,464,105.92
  4. Step 4: Simplify right side
    436,748,264.15x = 210,047,484,167,143,200
  5. Step 5: Solve for x
    x = 210,047,484,167,143,200/436,748,264.15
  6. Step 6: Final answer
    x = 480,934,903.26

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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.