Home / 539,009,979.60-808,514,969.40-216,125,576.40

Finding the Fourth Proportional to 539,009,979.60, 808,514,969.40 and 216,125,576.40

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Solution

The fourth proportional to 539,009,979.60, 808,514,969.40 and 216,125,576.40 is: 324,188,364.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,009,979.60 : 808,514,969.40 = 216,125,576.40 : x
  2. Step 2: Convert to fraction form
    539,009,979.60/808,514,969.40 = 216,125,576.40/x
  3. Step 3: Cross multiply
    539,009,979.60x = 808,514,969.40 × 216,125,576.40
  4. Step 4: Simplify right side
    539,009,979.60x = 174,740,763,789,603,360
  5. Step 5: Solve for x
    x = 174,740,763,789,603,360/539,009,979.60
  6. Step 6: Final answer
    x = 324,188,364.60

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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.