Home / 847,311,263.36-1,169,259,720.41-465,830,520.83

Finding the Fourth Proportional to 847,311,263.36, 1,169,259,720.41 and 465,830,520.83

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Solution

The fourth proportional to 847,311,263.36, 1,169,259,720.41 and 465,830,520.83 is: 642,829,722.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,311,263.36 : 1,169,259,720.41 = 465,830,520.83 : x
  2. Step 2: Convert to fraction form
    847,311,263.36/1,169,259,720.41 = 465,830,520.83/x
  3. Step 3: Cross multiply
    847,311,263.36x = 1,169,259,720.41 × 465,830,520.83
  4. Step 4: Simplify right side
    847,311,263.36x = 544,676,864,541,224,832
  5. Step 5: Solve for x
    x = 544,676,864,541,224,832/847,311,263.36
  6. Step 6: Final answer
    x = 642,829,722.79

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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.