Home / 653,292,032.55-979,938,048.83-422,008,909.35

Finding the Fourth Proportional to 653,292,032.55, 979,938,048.83 and 422,008,909.35

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Solution

The fourth proportional to 653,292,032.55, 979,938,048.83 and 422,008,909.35 is: 633,013,364.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,292,032.55 : 979,938,048.83 = 422,008,909.35 : x
  2. Step 2: Convert to fraction form
    653,292,032.55/979,938,048.83 = 422,008,909.35/x
  3. Step 3: Cross multiply
    653,292,032.55x = 979,938,048.83 × 422,008,909.35
  4. Step 4: Simplify right side
    653,292,032.55x = 413,542,587,215,205,312
  5. Step 5: Solve for x
    x = 413,542,587,215,205,312/653,292,032.55
  6. Step 6: Final answer
    x = 633,013,364.03

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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.