Home / 675,206,412.40-1,012,809,618.60-629,856,780.40

Finding the Fourth Proportional to 675,206,412.40, 1,012,809,618.60 and 629,856,780.40

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Solution

The fourth proportional to 675,206,412.40, 1,012,809,618.60 and 629,856,780.40 is: 944,785,170.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,206,412.40 : 1,012,809,618.60 = 629,856,780.40 : x
  2. Step 2: Convert to fraction form
    675,206,412.40/1,012,809,618.60 = 629,856,780.40/x
  3. Step 3: Cross multiply
    675,206,412.40x = 1,012,809,618.60 × 629,856,780.40
  4. Step 4: Simplify right side
    675,206,412.40x = 637,925,005,529,547,904
  5. Step 5: Solve for x
    x = 637,925,005,529,547,904/675,206,412.40
  6. Step 6: Final answer
    x = 944,785,170.60

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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.