Home / 768,307,070.70-1,150,948,951.65-460,685,400.30

Finding the Fourth Proportional to 768,307,070.70, 1,150,948,951.65 and 460,685,400.30

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Solution

The fourth proportional to 768,307,070.70, 1,150,948,951.65 and 460,685,400.30 is: 690,121,695.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,307,070.70 : 1,150,948,951.65 = 460,685,400.30 : x
  2. Step 2: Convert to fraction form
    768,307,070.70/1,150,948,951.65 = 460,685,400.30/x
  3. Step 3: Cross multiply
    768,307,070.70x = 1,150,948,951.65 × 460,685,400.30
  4. Step 4: Simplify right side
    768,307,070.70x = 530,225,378,515,745,664
  5. Step 5: Solve for x
    x = 530,225,378,515,745,664/768,307,070.70
  6. Step 6: Final answer
    x = 690,121,695.79

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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.