Home / 670,470,013.40-925,241,928.36-373,107,165.56

Finding the Fourth Proportional to 670,470,013.40, 925,241,928.36 and 373,107,165.56

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Solution

The fourth proportional to 670,470,013.40, 925,241,928.36 and 373,107,165.56 is: 514,884,165.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,470,013.40 : 925,241,928.36 = 373,107,165.56 : x
  2. Step 2: Convert to fraction form
    670,470,013.40/925,241,928.36 = 373,107,165.56/x
  3. Step 3: Cross multiply
    670,470,013.40x = 925,241,928.36 × 373,107,165.56
  4. Step 4: Simplify right side
    670,470,013.40x = 345,214,393,347,668,160
  5. Step 5: Solve for x
    x = 345,214,393,347,668,160/670,470,013.40
  6. Step 6: Final answer
    x = 514,884,165.51

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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.