Home / 970,224,019.20-1,455,336,028.80-387,670,204.80

Finding the Fourth Proportional to 970,224,019.20, 1,455,336,028.80 and 387,670,204.80

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Solution

The fourth proportional to 970,224,019.20, 1,455,336,028.80 and 387,670,204.80 is: 581,505,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,224,019.20 : 1,455,336,028.80 = 387,670,204.80 : x
  2. Step 2: Convert to fraction form
    970,224,019.20/1,455,336,028.80 = 387,670,204.80/x
  3. Step 3: Cross multiply
    970,224,019.20x = 1,455,336,028.80 × 387,670,204.80
  4. Step 4: Simplify right side
    970,224,019.20x = 564,190,416,337,714,688
  5. Step 5: Solve for x
    x = 564,190,416,337,714,688/970,224,019.20
  6. Step 6: Final answer
    x = 581,505,307.20

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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.