Home / 401,314,947.60-601,972,421.40-285,088,800.90

Finding the Fourth Proportional to 401,314,947.60, 601,972,421.40 and 285,088,800.90

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Solution

The fourth proportional to 401,314,947.60, 601,972,421.40 and 285,088,800.90 is: 427,633,201.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,314,947.60 : 601,972,421.40 = 285,088,800.90 : x
  2. Step 2: Convert to fraction form
    401,314,947.60/601,972,421.40 = 285,088,800.90/x
  3. Step 3: Cross multiply
    401,314,947.60x = 601,972,421.40 × 285,088,800.90
  4. Step 4: Simplify right side
    401,314,947.60x = 171,615,595,791,795,488
  5. Step 5: Solve for x
    x = 171,615,595,791,795,488/401,314,947.60
  6. Step 6: Final answer
    x = 427,633,201.35

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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.