Home / 288,685,810.60-433,028,715.90-286,134,893.80

Finding the Fourth Proportional to 288,685,810.60, 433,028,715.90 and 286,134,893.80

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Solution

The fourth proportional to 288,685,810.60, 433,028,715.90 and 286,134,893.80 is: 429,202,340.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,685,810.60 : 433,028,715.90 = 286,134,893.80 : x
  2. Step 2: Convert to fraction form
    288,685,810.60/433,028,715.90 = 286,134,893.80/x
  3. Step 3: Cross multiply
    288,685,810.60x = 433,028,715.90 × 286,134,893.80
  4. Step 4: Simplify right side
    288,685,810.60x = 123,904,625,636,396,864
  5. Step 5: Solve for x
    x = 123,904,625,636,396,864/288,685,810.60
  6. Step 6: Final answer
    x = 429,202,340.70

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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.