Home / 470,010,569.90-648,344,441.81-293,492,142.86

Finding the Fourth Proportional to 470,010,569.90, 648,344,441.81 and 293,492,142.86

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Solution

The fourth proportional to 470,010,569.90, 648,344,441.81 and 293,492,142.86 is: 404,850,468.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,010,569.90 : 648,344,441.81 = 293,492,142.86 : x
  2. Step 2: Convert to fraction form
    470,010,569.90/648,344,441.81 = 293,492,142.86/x
  3. Step 3: Cross multiply
    470,010,569.90x = 648,344,441.81 × 293,492,142.86
  4. Step 4: Simplify right side
    470,010,569.90x = 190,283,999,540,542,080
  5. Step 5: Solve for x
    x = 190,283,999,540,542,080/470,010,569.90
  6. Step 6: Final answer
    x = 404,850,468.75

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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.