Home / 1,143,906,966.60-1,715,860,449.90-325,912,979.40

Finding the Fourth Proportional to 1,143,906,966.60, 1,715,860,449.90 and 325,912,979.40

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Solution

The fourth proportional to 1,143,906,966.60, 1,715,860,449.90 and 325,912,979.40 is: 488,869,469.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,906,966.60 : 1,715,860,449.90 = 325,912,979.40 : x
  2. Step 2: Convert to fraction form
    1,143,906,966.60/1,715,860,449.90 = 325,912,979.40/x
  3. Step 3: Cross multiply
    1,143,906,966.60x = 1,715,860,449.90 × 325,912,979.40
  4. Step 4: Simplify right side
    1,143,906,966.60x = 559,221,191,461,533,440
  5. Step 5: Solve for x
    x = 559,221,191,461,533,440/1,143,906,966.60
  6. Step 6: Final answer
    x = 488,869,469.10

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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.