Home / 612,555,928.64-918,317,411.04-267,256,289.60

Finding the Fourth Proportional to 612,555,928.64, 918,317,411.04 and 267,256,289.60

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Solution

The fourth proportional to 612,555,928.64, 918,317,411.04 and 267,256,289.60 is: 400,659,094.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,555,928.64 : 918,317,411.04 = 267,256,289.60 : x
  2. Step 2: Convert to fraction form
    612,555,928.64/918,317,411.04 = 267,256,289.60/x
  3. Step 3: Cross multiply
    612,555,928.64x = 918,317,411.04 × 267,256,289.60
  4. Step 4: Simplify right side
    612,555,928.64x = 245,426,103,949,628,448
  5. Step 5: Solve for x
    x = 245,426,103,949,628,448/612,555,928.64
  6. Step 6: Final answer
    x = 400,659,094.91

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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.