Home / 1,123,446,801.60-1,685,175,451.20-396,435,513.60

Finding the Fourth Proportional to 1,123,446,801.60, 1,685,175,451.20 and 396,435,513.60

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Solution

The fourth proportional to 1,123,446,801.60, 1,685,175,451.20 and 396,435,513.60 is: 594,655,122.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,446,801.60 : 1,685,175,451.20 = 396,435,513.60 : x
  2. Step 2: Convert to fraction form
    1,123,446,801.60/1,685,175,451.20 = 396,435,513.60/x
  3. Step 3: Cross multiply
    1,123,446,801.60x = 1,685,175,451.20 × 396,435,513.60
  4. Step 4: Simplify right side
    1,123,446,801.60x = 668,063,395,502,583,808
  5. Step 5: Solve for x
    x = 668,063,395,502,583,808/1,123,446,801.60
  6. Step 6: Final answer
    x = 594,655,122.57

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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.