Home / 934,604,863.20-1,399,219,909.20-907,731,007.20

Finding the Fourth Proportional to 934,604,863.20, 1,399,219,909.20 and 907,731,007.20

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Solution

The fourth proportional to 934,604,863.20, 1,399,219,909.20 and 907,731,007.20 is: 1,358,986,398.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,604,863.20 : 1,399,219,909.20 = 907,731,007.20 : x
  2. Step 2: Convert to fraction form
    934,604,863.20/1,399,219,909.20 = 907,731,007.20/x
  3. Step 3: Cross multiply
    934,604,863.20x = 1,399,219,909.20 × 907,731,007.20
  4. Step 4: Simplify right side
    934,604,863.20x = 1,270,115,297,472,408,576
  5. Step 5: Solve for x
    x = 1,270,115,297,472,408,576/934,604,863.20
  6. Step 6: Final answer
    x = 1,358,986,398.94

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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.