Home / 628,637,060.40-943,380,744.12-352,287,740.40

Finding the Fourth Proportional to 628,637,060.40, 943,380,744.12 and 352,287,740.40

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Solution

The fourth proportional to 628,637,060.40, 943,380,744.12 and 352,287,740.40 is: 528,669,866.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,637,060.40 : 943,380,744.12 = 352,287,740.40 : x
  2. Step 2: Convert to fraction form
    628,637,060.40/943,380,744.12 = 352,287,740.40/x
  3. Step 3: Cross multiply
    628,637,060.40x = 943,380,744.12 × 352,287,740.40
  4. Step 4: Simplify right side
    628,637,060.40x = 332,341,470,682,905,344
  5. Step 5: Solve for x
    x = 332,341,470,682,905,344/628,637,060.40
  6. Step 6: Final answer
    x = 528,669,866.32

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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.