Home / 672,816,309.18-1,009,220,228.85-362,070,300.86

Finding the Fourth Proportional to 672,816,309.18, 1,009,220,228.85 and 362,070,300.86

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Solution

The fourth proportional to 672,816,309.18, 1,009,220,228.85 and 362,070,300.86 is: 543,103,172.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,816,309.18 : 1,009,220,228.85 = 362,070,300.86 : x
  2. Step 2: Convert to fraction form
    672,816,309.18/1,009,220,228.85 = 362,070,300.86/x
  3. Step 3: Cross multiply
    672,816,309.18x = 1,009,220,228.85 × 362,070,300.86
  4. Step 4: Simplify right side
    672,816,309.18x = 365,408,671,893,717,568
  5. Step 5: Solve for x
    x = 365,408,671,893,717,568/672,816,309.18
  6. Step 6: Final answer
    x = 543,103,172.30

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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.