Home / 747,591,612.80-1,031,697,237.40-413,085,797.96

Finding the Fourth Proportional to 747,591,612.80, 1,031,697,237.40 and 413,085,797.96

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Solution

The fourth proportional to 747,591,612.80, 1,031,697,237.40 and 413,085,797.96 is: 570,069,900.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,591,612.80 : 1,031,697,237.40 = 413,085,797.96 : x
  2. Step 2: Convert to fraction form
    747,591,612.80/1,031,697,237.40 = 413,085,797.96/x
  3. Step 3: Cross multiply
    747,591,612.80x = 1,031,697,237.40 × 413,085,797.96
  4. Step 4: Simplify right side
    747,591,612.80x = 426,179,476,558,315,328
  5. Step 5: Solve for x
    x = 426,179,476,558,315,328/747,591,612.80
  6. Step 6: Final answer
    x = 570,069,900.82

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1.5x scale

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.