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Finding the Fourth Proportional to 967,029,987.90, 1,450,544,981.85 and 967,029,987.90

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Solution

The fourth proportional to 967,029,987.90, 1,450,544,981.85 and 967,029,987.90 is: 1,450,544,981.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,029,987.90 : 1,450,544,981.85 = 967,029,987.90 : x
  2. Step 2: Convert to fraction form
    967,029,987.90/1,450,544,981.85 = 967,029,987.90/x
  3. Step 3: Cross multiply
    967,029,987.90x = 1,450,544,981.85 × 967,029,987.90
  4. Step 4: Simplify right side
    967,029,987.90x = 1,402,720,496,246,811,136
  5. Step 5: Solve for x
    x = 1,402,720,496,246,811,136/967,029,987.90
  6. Step 6: Final answer
    x = 1,450,544,981.85

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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.