Home / 764,411,752.60-1,146,617,628.90-419,232,002.20

Finding the Fourth Proportional to 764,411,752.60, 1,146,617,628.90 and 419,232,002.20

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Solution

The fourth proportional to 764,411,752.60, 1,146,617,628.90 and 419,232,002.20 is: 628,848,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,411,752.60 : 1,146,617,628.90 = 419,232,002.20 : x
  2. Step 2: Convert to fraction form
    764,411,752.60/1,146,617,628.90 = 419,232,002.20/x
  3. Step 3: Cross multiply
    764,411,752.60x = 1,146,617,628.90 × 419,232,002.20
  4. Step 4: Simplify right side
    764,411,752.60x = 480,698,804,321,563,584
  5. Step 5: Solve for x
    x = 480,698,804,321,563,584/764,411,752.60
  6. Step 6: Final answer
    x = 628,848,003.30

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1.5x scale

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.