Home / 970,224,021.70-1,455,336,032.55-387,670,207.30

Finding the Fourth Proportional to 970,224,021.70, 1,455,336,032.55 and 387,670,207.30

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Solution

The fourth proportional to 970,224,021.70, 1,455,336,032.55 and 387,670,207.30 is: 581,505,310.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,224,021.70 : 1,455,336,032.55 = 387,670,207.30 : x
  2. Step 2: Convert to fraction form
    970,224,021.70/1,455,336,032.55 = 387,670,207.30/x
  3. Step 3: Cross multiply
    970,224,021.70x = 1,455,336,032.55 × 387,670,207.30
  4. Step 4: Simplify right side
    970,224,021.70x = 564,190,421,429,818,048
  5. Step 5: Solve for x
    x = 564,190,421,429,818,048/970,224,021.70
  6. Step 6: Final answer
    x = 581,505,310.95

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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.