Home / 628,153,606.80-942,230,410.20-352,654,592.40

Finding the Fourth Proportional to 628,153,606.80, 942,230,410.20 and 352,654,592.40

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Solution

The fourth proportional to 628,153,606.80, 942,230,410.20 and 352,654,592.40 is: 528,981,888.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,153,606.80 : 942,230,410.20 = 352,654,592.40 : x
  2. Step 2: Convert to fraction form
    628,153,606.80/942,230,410.20 = 352,654,592.40/x
  3. Step 3: Cross multiply
    628,153,606.80x = 942,230,410.20 × 352,654,592.40
  4. Step 4: Simplify right side
    628,153,606.80x = 332,281,881,255,965,824
  5. Step 5: Solve for x
    x = 332,281,881,255,965,824/628,153,606.80
  6. Step 6: Final answer
    x = 528,981,888.60

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1.5x scale

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.