Home / 1,038,781,535.20-1,558,172,303.07-262,429,427.68

Finding the Fourth Proportional to 1,038,781,535.20, 1,558,172,303.07 and 262,429,427.68

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Solution

The fourth proportional to 1,038,781,535.20, 1,558,172,303.07 and 262,429,427.68 is: 393,644,141.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,781,535.20 : 1,558,172,303.07 = 262,429,427.68 : x
  2. Step 2: Convert to fraction form
    1,038,781,535.20/1,558,172,303.07 = 262,429,427.68/x
  3. Step 3: Cross multiply
    1,038,781,535.20x = 1,558,172,303.07 × 262,429,427.68
  4. Step 4: Simplify right side
    1,038,781,535.20x = 408,910,265,721,487,616
  5. Step 5: Solve for x
    x = 408,910,265,721,487,616/1,038,781,535.20
  6. Step 6: Final answer
    x = 393,644,141.59

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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.