Home / 425,607,378.40-587,338,434.16-237,435,673.12

Finding the Fourth Proportional to 425,607,378.40, 587,338,434.16 and 237,435,673.12

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Solution

The fourth proportional to 425,607,378.40, 587,338,434.16 and 237,435,673.12 is: 327,661,369.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,607,378.40 : 587,338,434.16 = 237,435,673.12 : x
  2. Step 2: Convert to fraction form
    425,607,378.40/587,338,434.16 = 237,435,673.12/x
  3. Step 3: Cross multiply
    425,607,378.40x = 587,338,434.16 × 237,435,673.12
  4. Step 4: Simplify right side
    425,607,378.40x = 139,455,096,464,026,400
  5. Step 5: Solve for x
    x = 139,455,096,464,026,400/425,607,378.40
  6. Step 6: Final answer
    x = 327,661,369.47

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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.