Home / 768,688,028.32-1,153,066,533.36-251,150,000.80

Finding the Fourth Proportional to 768,688,028.32, 1,153,066,533.36 and 251,150,000.80

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Solution

The fourth proportional to 768,688,028.32, 1,153,066,533.36 and 251,150,000.80 is: 376,736,270.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,688,028.32 : 1,153,066,533.36 = 251,150,000.80 : x
  2. Step 2: Convert to fraction form
    768,688,028.32/1,153,066,533.36 = 251,150,000.80/x
  3. Step 3: Cross multiply
    768,688,028.32x = 1,153,066,533.36 × 251,150,000.80
  4. Step 4: Simplify right side
    768,688,028.32x = 289,592,660,775,817,216
  5. Step 5: Solve for x
    x = 289,592,660,775,817,216/768,688,028.32
  6. Step 6: Final answer
    x = 376,736,270.25

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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.