Home / 767,638,434.40-1,151,457,651.60-629,888,927.20

Finding the Fourth Proportional to 767,638,434.40, 1,151,457,651.60 and 629,888,927.20

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Solution

The fourth proportional to 767,638,434.40, 1,151,457,651.60 and 629,888,927.20 is: 944,833,390.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,638,434.40 : 1,151,457,651.60 = 629,888,927.20 : x
  2. Step 2: Convert to fraction form
    767,638,434.40/1,151,457,651.60 = 629,888,927.20/x
  3. Step 3: Cross multiply
    767,638,434.40x = 1,151,457,651.60 × 629,888,927.20
  4. Step 4: Simplify right side
    767,638,434.40x = 725,290,424,882,555,392
  5. Step 5: Solve for x
    x = 725,290,424,882,555,392/767,638,434.40
  6. Step 6: Final answer
    x = 944,833,390.80

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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.