Home / 655,325,617.17-904,352,434.02-357,971,984.67

Finding the Fourth Proportional to 655,325,617.17, 904,352,434.02 and 357,971,984.67

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Solution

The fourth proportional to 655,325,617.17, 904,352,434.02 and 357,971,984.67 is: 494,003,022.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,325,617.17 : 904,352,434.02 = 357,971,984.67 : x
  2. Step 2: Convert to fraction form
    655,325,617.17/904,352,434.02 = 357,971,984.67/x
  3. Step 3: Cross multiply
    655,325,617.17x = 904,352,434.02 × 357,971,984.67
  4. Step 4: Simplify right side
    655,325,617.17x = 323,732,835,647,284,608
  5. Step 5: Solve for x
    x = 323,732,835,647,284,608/655,325,617.17
  6. Step 6: Final answer
    x = 494,003,022.57

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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.