Home / 852,782,468.18-1,176,818,125.07-476,441,882.78

Finding the Fourth Proportional to 852,782,468.18, 1,176,818,125.07 and 476,441,882.78

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Solution

The fourth proportional to 852,782,468.18, 1,176,818,125.07 and 476,441,882.78 is: 657,477,685.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,782,468.18 : 1,176,818,125.07 = 476,441,882.78 : x
  2. Step 2: Convert to fraction form
    852,782,468.18/1,176,818,125.07 = 476,441,882.78/x
  3. Step 3: Cross multiply
    852,782,468.18x = 1,176,818,125.07 × 476,441,882.78
  4. Step 4: Simplify right side
    852,782,468.18x = 560,685,443,189,714,048
  5. Step 5: Solve for x
    x = 560,685,443,189,714,048/852,782,468.18
  6. Step 6: Final answer
    x = 657,477,685.24

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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.