Home / 601,214,620.80-901,821,931.20-396,973,315.20

Finding the Fourth Proportional to 601,214,620.80, 901,821,931.20 and 396,973,315.20

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Solution

The fourth proportional to 601,214,620.80, 901,821,931.20 and 396,973,315.20 is: 595,459,972.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,214,620.80 : 901,821,931.20 = 396,973,315.20 : x
  2. Step 2: Convert to fraction form
    601,214,620.80/901,821,931.20 = 396,973,315.20/x
  3. Step 3: Cross multiply
    601,214,620.80x = 901,821,931.20 × 396,973,315.20
  4. Step 4: Simplify right side
    601,214,620.80x = 357,999,241,748,530,304
  5. Step 5: Solve for x
    x = 357,999,241,748,530,304/601,214,620.80
  6. Step 6: Final answer
    x = 595,459,972.80

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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.