Home / 926,469,000.30-1,389,703,500.45-313,044,368.70

Finding the Fourth Proportional to 926,469,000.30, 1,389,703,500.45 and 313,044,368.70

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Solution

The fourth proportional to 926,469,000.30, 1,389,703,500.45 and 313,044,368.70 is: 469,566,553.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,469,000.30 : 1,389,703,500.45 = 313,044,368.70 : x
  2. Step 2: Convert to fraction form
    926,469,000.30/1,389,703,500.45 = 313,044,368.70/x
  3. Step 3: Cross multiply
    926,469,000.30x = 1,389,703,500.45 × 313,044,368.70
  4. Step 4: Simplify right side
    926,469,000.30x = 435,038,854,978,550,400
  5. Step 5: Solve for x
    x = 435,038,854,978,550,400/926,469,000.30
  6. Step 6: Final answer
    x = 469,566,553.05

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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.