Home / 1,102,278,410.40-1,653,417,615.60-490,058,378.40

Finding the Fourth Proportional to 1,102,278,410.40, 1,653,417,615.60 and 490,058,378.40

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Solution

The fourth proportional to 1,102,278,410.40, 1,653,417,615.60 and 490,058,378.40 is: 735,087,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,278,410.40 : 1,653,417,615.60 = 490,058,378.40 : x
  2. Step 2: Convert to fraction form
    1,102,278,410.40/1,653,417,615.60 = 490,058,378.40/x
  3. Step 3: Cross multiply
    1,102,278,410.40x = 1,653,417,615.60 × 490,058,378.40
  4. Step 4: Simplify right side
    1,102,278,410.40x = 810,271,155,518,930,432
  5. Step 5: Solve for x
    x = 810,271,155,518,930,432/1,102,278,410.40
  6. Step 6: Final answer
    x = 735,087,567.60

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Double scale
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Similar ratio
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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.