Home / 868,673,201.60-1,303,009,802.40-524,015,998.40

Finding the Fourth Proportional to 868,673,201.60, 1,303,009,802.40 and 524,015,998.40

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Solution

The fourth proportional to 868,673,201.60, 1,303,009,802.40 and 524,015,998.40 is: 786,023,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,673,201.60 : 1,303,009,802.40 = 524,015,998.40 : x
  2. Step 2: Convert to fraction form
    868,673,201.60/1,303,009,802.40 = 524,015,998.40/x
  3. Step 3: Cross multiply
    868,673,201.60x = 1,303,009,802.40 × 524,015,998.40
  4. Step 4: Simplify right side
    868,673,201.60x = 682,797,982,529,622,784
  5. Step 5: Solve for x
    x = 682,797,982,529,622,784/868,673,201.60
  6. Step 6: Final answer
    x = 786,023,997.60

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1.5x scale

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.