Home / 652,481,130.80-900,423,909.24-355,125,503.60

Finding the Fourth Proportional to 652,481,130.80, 900,423,909.24 and 355,125,503.60

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Solution

The fourth proportional to 652,481,130.80, 900,423,909.24 and 355,125,503.60 is: 490,073,167.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,481,130.80 : 900,423,909.24 = 355,125,503.60 : x
  2. Step 2: Convert to fraction form
    652,481,130.80/900,423,909.24 = 355,125,503.60/x
  3. Step 3: Cross multiply
    652,481,130.80x = 900,423,909.24 × 355,125,503.60
  4. Step 4: Simplify right side
    652,481,130.80x = 319,763,494,222,335,744
  5. Step 5: Solve for x
    x = 319,763,494,222,335,744/652,481,130.80
  6. Step 6: Final answer
    x = 490,073,167.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.