Home / 1,038,781,534.20-1,558,172,301.57-262,429,426.68

Finding the Fourth Proportional to 1,038,781,534.20, 1,558,172,301.57 and 262,429,426.68

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Solution

The fourth proportional to 1,038,781,534.20, 1,558,172,301.57 and 262,429,426.68 is: 393,644,140.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,781,534.20 : 1,558,172,301.57 = 262,429,426.68 : x
  2. Step 2: Convert to fraction form
    1,038,781,534.20/1,558,172,301.57 = 262,429,426.68/x
  3. Step 3: Cross multiply
    1,038,781,534.20x = 1,558,172,301.57 × 262,429,426.68
  4. Step 4: Simplify right side
    1,038,781,534.20x = 408,910,263,769,671,168
  5. Step 5: Solve for x
    x = 408,910,263,769,671,168/1,038,781,534.20
  6. Step 6: Final answer
    x = 393,644,140.09

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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.