Home / 653,292,051.30-979,938,076.95-422,008,928.10

Finding the Fourth Proportional to 653,292,051.30, 979,938,076.95 and 422,008,928.10

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Solution

The fourth proportional to 653,292,051.30, 979,938,076.95 and 422,008,928.10 is: 633,013,392.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,292,051.30 : 979,938,076.95 = 422,008,928.10 : x
  2. Step 2: Convert to fraction form
    653,292,051.30/979,938,076.95 = 422,008,928.10/x
  3. Step 3: Cross multiply
    653,292,051.30x = 979,938,076.95 × 422,008,928.10
  4. Step 4: Simplify right side
    653,292,051.30x = 413,542,617,458,044,864
  5. Step 5: Solve for x
    x = 413,542,617,458,044,864/653,292,051.30
  6. Step 6: Final answer
    x = 633,013,392.15

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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.