Home / 810,910,238,014.64-1,119,057,236,624.80-440,113,661,669.20

Finding the Fourth Proportional to 810,910,238,014.64, 1,119,057,236,624.80 and 440,113,661,669.20

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Solution

The fourth proportional to 810,910,238,014.64, 1,119,057,236,624.80 and 440,113,661,669.20 is: 607,357,454,549.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,910,238,014.64 : 1,119,057,236,624.80 = 440,113,661,669.20 : x
  2. Step 2: Convert to fraction form
    810,910,238,014.64/1,119,057,236,624.80 = 440,113,661,669.20/x
  3. Step 3: Cross multiply
    810,910,238,014.64x = 1,119,057,236,624.80 × 440,113,661,669.20
  4. Step 4: Simplify right side
    810,910,238,014.64x = 492,512,378,028,357,176,000,512
  5. Step 5: Solve for x
    x = 492,512,378,028,357,176,000,512/810,910,238,014.64
  6. Step 6: Final answer
    x = 607,357,454,549.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.