Home / 885,740,936.60-1,328,611,404.90-656,158,424.60

Finding the Fourth Proportional to 885,740,936.60, 1,328,611,404.90 and 656,158,424.60

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Solution

The fourth proportional to 885,740,936.60, 1,328,611,404.90 and 656,158,424.60 is: 984,237,636.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,740,936.60 : 1,328,611,404.90 = 656,158,424.60 : x
  2. Step 2: Convert to fraction form
    885,740,936.60/1,328,611,404.90 = 656,158,424.60/x
  3. Step 3: Cross multiply
    885,740,936.60x = 1,328,611,404.90 × 656,158,424.60
  4. Step 4: Simplify right side
    885,740,936.60x = 871,779,566,344,776,832
  5. Step 5: Solve for x
    x = 871,779,566,344,776,832/885,740,936.60
  6. Step 6: Final answer
    x = 984,237,636.90

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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.