Home / 920,743,040.40-1,270,610,528.04-503,046,335.76

Finding the Fourth Proportional to 920,743,040.40, 1,270,610,528.04 and 503,046,335.76

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Solution

The fourth proportional to 920,743,040.40, 1,270,610,528.04 and 503,046,335.76 is: 694,195,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,743,040.40 : 1,270,610,528.04 = 503,046,335.76 : x
  2. Step 2: Convert to fraction form
    920,743,040.40/1,270,610,528.04 = 503,046,335.76/x
  3. Step 3: Cross multiply
    920,743,040.40x = 1,270,610,528.04 × 503,046,335.76
  4. Step 4: Simplify right side
    920,743,040.40x = 639,175,970,308,600,704
  5. Step 5: Solve for x
    x = 639,175,970,308,600,704/920,743,040.40
  6. Step 6: Final answer
    x = 694,195,820.40

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1.5x scale

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.