Home / 683,160,862.68-942,762,435.48-369,895,289.04

Finding the Fourth Proportional to 683,160,862.68, 942,762,435.48 and 369,895,289.04

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Solution

The fourth proportional to 683,160,862.68, 942,762,435.48 and 369,895,289.04 is: 510,455,739.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,160,862.68 : 942,762,435.48 = 369,895,289.04 : x
  2. Step 2: Convert to fraction form
    683,160,862.68/942,762,435.48 = 369,895,289.04/x
  3. Step 3: Cross multiply
    683,160,862.68x = 942,762,435.48 × 369,895,289.04
  4. Step 4: Simplify right side
    683,160,862.68x = 348,723,383,567,928,960
  5. Step 5: Solve for x
    x = 348,723,383,567,928,960/683,160,862.68
  6. Step 6: Final answer
    x = 510,455,739.81

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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.