Home / 970,109,912.40-1,455,177,310.20-323,877,656.40

Finding the Fourth Proportional to 970,109,912.40, 1,455,177,310.20 and 323,877,656.40

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Solution

The fourth proportional to 970,109,912.40, 1,455,177,310.20 and 323,877,656.40 is: 485,820,638.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,109,912.40 : 1,455,177,310.20 = 323,877,656.40 : x
  2. Step 2: Convert to fraction form
    970,109,912.40/1,455,177,310.20 = 323,877,656.40/x
  3. Step 3: Cross multiply
    970,109,912.40x = 1,455,177,310.20 × 323,877,656.40
  4. Step 4: Simplify right side
    970,109,912.40x = 471,299,416,874,031,808
  5. Step 5: Solve for x
    x = 471,299,416,874,031,808/970,109,912.40
  6. Step 6: Final answer
    x = 485,820,638.31

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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.