Home / 960,620,604.40-1,325,657,567.76-520,587,456.40

Finding the Fourth Proportional to 960,620,604.40, 1,325,657,567.76 and 520,587,456.40

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Solution

The fourth proportional to 960,620,604.40, 1,325,657,567.76 and 520,587,456.40 is: 718,411,304.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,620,604.40 : 1,325,657,567.76 = 520,587,456.40 : x
  2. Step 2: Convert to fraction form
    960,620,604.40/1,325,657,567.76 = 520,587,456.40/x
  3. Step 3: Cross multiply
    960,620,604.40x = 1,325,657,567.76 × 520,587,456.40
  4. Step 4: Simplify right side
    960,620,604.40x = 690,120,701,257,588,992
  5. Step 5: Solve for x
    x = 690,120,701,257,588,992/960,620,604.40
  6. Step 6: Final answer
    x = 718,411,304.21

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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.