Home / 960,620,676.64-1,325,657,667.12-520,587,528.64

Finding the Fourth Proportional to 960,620,676.64, 1,325,657,667.12 and 520,587,528.64

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Solution

The fourth proportional to 960,620,676.64, 1,325,657,667.12 and 520,587,528.64 is: 718,411,403.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,620,676.64 : 1,325,657,667.12 = 520,587,528.64 : x
  2. Step 2: Convert to fraction form
    960,620,676.64/1,325,657,667.12 = 520,587,528.64/x
  3. Step 3: Cross multiply
    960,620,676.64x = 1,325,657,667.12 × 520,587,528.64
  4. Step 4: Simplify right side
    960,620,676.64x = 690,120,848,748,668,544
  5. Step 5: Solve for x
    x = 690,120,848,748,668,544/960,620,676.64
  6. Step 6: Final answer
    x = 718,411,403.72

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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.