Home / 1,035,572,667.20-1,553,359,000.80-629,213,422.40

Finding the Fourth Proportional to 1,035,572,667.20, 1,553,359,000.80 and 629,213,422.40

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Solution

The fourth proportional to 1,035,572,667.20, 1,553,359,000.80 and 629,213,422.40 is: 943,820,133.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,572,667.20 : 1,553,359,000.80 = 629,213,422.40 : x
  2. Step 2: Convert to fraction form
    1,035,572,667.20/1,553,359,000.80 = 629,213,422.40/x
  3. Step 3: Cross multiply
    1,035,572,667.20x = 1,553,359,000.80 × 629,213,422.40
  4. Step 4: Simplify right side
    1,035,572,667.20x = 977,394,333,109,212,288
  5. Step 5: Solve for x
    x = 977,394,333,109,212,288/1,035,572,667.20
  6. Step 6: Final answer
    x = 943,820,133.60

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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.