Home / 351,938,867.40-528,097,257.90-147,487,609.80

Finding the Fourth Proportional to 351,938,867.40, 528,097,257.90 and 147,487,609.80

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Solution

The fourth proportional to 351,938,867.40, 528,097,257.90 and 147,487,609.80 is: 221,310,601.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,938,867.40 : 528,097,257.90 = 147,487,609.80 : x
  2. Step 2: Convert to fraction form
    351,938,867.40/528,097,257.90 = 147,487,609.80/x
  3. Step 3: Cross multiply
    351,938,867.40x = 528,097,257.90 × 147,487,609.80
  4. Step 4: Simplify right side
    351,938,867.40x = 77,887,802,309,605,168
  5. Step 5: Solve for x
    x = 77,887,802,309,605,168/351,938,867.40
  6. Step 6: Final answer
    x = 221,310,601.14

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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.