Home / 421,950,515.10-632,925,772.65-284,201,007.90

Finding the Fourth Proportional to 421,950,515.10, 632,925,772.65 and 284,201,007.90

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Solution

The fourth proportional to 421,950,515.10, 632,925,772.65 and 284,201,007.90 is: 426,301,511.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,950,515.10 : 632,925,772.65 = 284,201,007.90 : x
  2. Step 2: Convert to fraction form
    421,950,515.10/632,925,772.65 = 284,201,007.90/x
  3. Step 3: Cross multiply
    421,950,515.10x = 632,925,772.65 × 284,201,007.90
  4. Step 4: Simplify right side
    421,950,515.10x = 179,878,142,513,016,224
  5. Step 5: Solve for x
    x = 179,878,142,513,016,224/421,950,515.10
  6. Step 6: Final answer
    x = 426,301,511.85

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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.