Home / 290,308,215.60-435,462,323.40-283,589,751.60

Finding the Fourth Proportional to 290,308,215.60, 435,462,323.40 and 283,589,751.60

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Solution

The fourth proportional to 290,308,215.60, 435,462,323.40 and 283,589,751.60 is: 425,384,627.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,308,215.60 : 435,462,323.40 = 283,589,751.60 : x
  2. Step 2: Convert to fraction form
    290,308,215.60/435,462,323.40 = 283,589,751.60/x
  3. Step 3: Cross multiply
    290,308,215.60x = 435,462,323.40 × 283,589,751.60
  4. Step 4: Simplify right side
    290,308,215.60x = 123,492,652,124,164,864
  5. Step 5: Solve for x
    x = 123,492,652,124,164,864/290,308,215.60
  6. Step 6: Final answer
    x = 425,384,627.40

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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.