Home / 772,481,045.46-1,065,991,405.32-437,976,076.86

Finding the Fourth Proportional to 772,481,045.46, 1,065,991,405.32 and 437,976,076.86

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Solution

The fourth proportional to 772,481,045.46, 1,065,991,405.32 and 437,976,076.86 is: 604,388,594.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,481,045.46 : 1,065,991,405.32 = 437,976,076.86 : x
  2. Step 2: Convert to fraction form
    772,481,045.46/1,065,991,405.32 = 437,976,076.86/x
  3. Step 3: Cross multiply
    772,481,045.46x = 1,065,991,405.32 × 437,976,076.86
  4. Step 4: Simplify right side
    772,481,045.46x = 466,878,733,668,531,776
  5. Step 5: Solve for x
    x = 466,878,733,668,531,776/772,481,045.46
  6. Step 6: Final answer
    x = 604,388,594.92

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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.