Home / 754,119,427.38-1,040,668,498.40-436,593,063.61

Finding the Fourth Proportional to 754,119,427.38, 1,040,668,498.40 and 436,593,063.61

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Solution

The fourth proportional to 754,119,427.38, 1,040,668,498.40 and 436,593,063.61 is: 602,488,984.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,119,427.38 : 1,040,668,498.40 = 436,593,063.61 : x
  2. Step 2: Convert to fraction form
    754,119,427.38/1,040,668,498.40 = 436,593,063.61/x
  3. Step 3: Cross multiply
    754,119,427.38x = 1,040,668,498.40 × 436,593,063.61
  4. Step 4: Simplify right side
    754,119,427.38x = 454,348,647,918,874,368
  5. Step 5: Solve for x
    x = 454,348,647,918,874,368/754,119,427.38
  6. Step 6: Final answer
    x = 602,488,984.40

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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.