Home / 847,395,005.80-1,271,092,508.70-301,939,709.80

Finding the Fourth Proportional to 847,395,005.80, 1,271,092,508.70 and 301,939,709.80

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Solution

The fourth proportional to 847,395,005.80, 1,271,092,508.70 and 301,939,709.80 is: 452,909,564.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,395,005.80 : 1,271,092,508.70 = 301,939,709.80 : x
  2. Step 2: Convert to fraction form
    847,395,005.80/1,271,092,508.70 = 301,939,709.80/x
  3. Step 3: Cross multiply
    847,395,005.80x = 1,271,092,508.70 × 301,939,709.80
  4. Step 4: Simplify right side
    847,395,005.80x = 383,793,303,205,832,000
  5. Step 5: Solve for x
    x = 383,793,303,205,832,000/847,395,005.80
  6. Step 6: Final answer
    x = 452,909,564.70

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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.