Home / 291,085,488.20-436,628,232.30-267,276,931.40

Finding the Fourth Proportional to 291,085,488.20, 436,628,232.30 and 267,276,931.40

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Solution

The fourth proportional to 291,085,488.20, 436,628,232.30 and 267,276,931.40 is: 400,915,397.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,085,488.20 : 436,628,232.30 = 267,276,931.40 : x
  2. Step 2: Convert to fraction form
    291,085,488.20/436,628,232.30 = 267,276,931.40/x
  3. Step 3: Cross multiply
    291,085,488.20x = 436,628,232.30 × 267,276,931.40
  4. Step 4: Simplify right side
    291,085,488.20x = 116,700,654,091,750,368
  5. Step 5: Solve for x
    x = 116,700,654,091,750,368/291,085,488.20
  6. Step 6: Final answer
    x = 400,915,397.10

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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.