Home / 949,432,520.80-1,310,199,537.84-526,044,637.92

Finding the Fourth Proportional to 949,432,520.80, 1,310,199,537.84 and 526,044,637.92

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Solution

The fourth proportional to 949,432,520.80, 1,310,199,537.84 and 526,044,637.92 is: 725,931,992.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,432,520.80 : 1,310,199,537.84 = 526,044,637.92 : x
  2. Step 2: Convert to fraction form
    949,432,520.80/1,310,199,537.84 = 526,044,637.92/x
  3. Step 3: Cross multiply
    949,432,520.80x = 1,310,199,537.84 × 526,044,637.92
  4. Step 4: Simplify right side
    949,432,520.80x = 689,223,441,485,994,112
  5. Step 5: Solve for x
    x = 689,223,441,485,994,112/949,432,520.80
  6. Step 6: Final answer
    x = 725,931,992.41

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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.