Home / 286,826,820.80-430,877,960.40-275,985,424.40

Finding the Fourth Proportional to 286,826,820.80, 430,877,960.40 and 275,985,424.40

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Solution

The fourth proportional to 286,826,820.80, 430,877,960.40 and 275,985,424.40 is: 414,591,761.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,826,820.80 : 430,877,960.40 = 275,985,424.40 : x
  2. Step 2: Convert to fraction form
    286,826,820.80/430,877,960.40 = 275,985,424.40/x
  3. Step 3: Cross multiply
    286,826,820.80x = 430,877,960.40 × 275,985,424.40
  4. Step 4: Simplify right side
    286,826,820.80x = 118,916,036,765,600,384
  5. Step 5: Solve for x
    x = 118,916,036,765,600,384/286,826,820.80
  6. Step 6: Final answer
    x = 414,591,761.10

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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.