Home / 626,784,085.60-940,176,128.40-622,753,007.20

Finding the Fourth Proportional to 626,784,085.60, 940,176,128.40 and 622,753,007.20

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Solution

The fourth proportional to 626,784,085.60, 940,176,128.40 and 622,753,007.20 is: 934,129,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,784,085.60 : 940,176,128.40 = 622,753,007.20 : x
  2. Step 2: Convert to fraction form
    626,784,085.60/940,176,128.40 = 622,753,007.20/x
  3. Step 3: Cross multiply
    626,784,085.60x = 940,176,128.40 × 622,753,007.20
  4. Step 4: Simplify right side
    626,784,085.60x = 585,497,511,258,753,408
  5. Step 5: Solve for x
    x = 585,497,511,258,753,408/626,784,085.60
  6. Step 6: Final answer
    x = 934,129,510.80

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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.