Home / 816,508,875.60-1,224,763,313.40-298,956,200.40

Finding the Fourth Proportional to 816,508,875.60, 1,224,763,313.40 and 298,956,200.40

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Solution

The fourth proportional to 816,508,875.60, 1,224,763,313.40 and 298,956,200.40 is: 448,434,300.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,508,875.60 : 1,224,763,313.40 = 298,956,200.40 : x
  2. Step 2: Convert to fraction form
    816,508,875.60/1,224,763,313.40 = 298,956,200.40/x
  3. Step 3: Cross multiply
    816,508,875.60x = 1,224,763,313.40 × 298,956,200.40
  4. Step 4: Simplify right side
    816,508,875.60x = 366,150,586,563,378,432
  5. Step 5: Solve for x
    x = 366,150,586,563,378,432/816,508,875.60
  6. Step 6: Final answer
    x = 448,434,300.60

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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.