Home / 1,003,352,928.80-1,504,443,627.12-389,219,534.24

Finding the Fourth Proportional to 1,003,352,928.80, 1,504,443,627.12 and 389,219,534.24

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Solution

The fourth proportional to 1,003,352,928.80, 1,504,443,627.12 and 389,219,534.24 is: 583,602,071.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,352,928.80 : 1,504,443,627.12 = 389,219,534.24 : x
  2. Step 2: Convert to fraction form
    1,003,352,928.80/1,504,443,627.12 = 389,219,534.24/x
  3. Step 3: Cross multiply
    1,003,352,928.80x = 1,504,443,627.12 × 389,219,534.24
  4. Step 4: Simplify right side
    1,003,352,928.80x = 585,558,847,837,982,592
  5. Step 5: Solve for x
    x = 585,558,847,837,982,592/1,003,352,928.80
  6. Step 6: Final answer
    x = 583,602,071.64

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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.