Home / 838,065,928.86-1,156,531,298.28-485,846,096.13

Finding the Fourth Proportional to 838,065,928.86, 1,156,531,298.28 and 485,846,096.13

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Solution

The fourth proportional to 838,065,928.86, 1,156,531,298.28 and 485,846,096.13 is: 670,467,796.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,065,928.86 : 1,156,531,298.28 = 485,846,096.13 : x
  2. Step 2: Convert to fraction form
    838,065,928.86/1,156,531,298.28 = 485,846,096.13/x
  3. Step 3: Cross multiply
    838,065,928.86x = 1,156,531,298.28 × 485,846,096.13
  4. Step 4: Simplify right side
    838,065,928.86x = 561,896,216,321,498,560
  5. Step 5: Solve for x
    x = 561,896,216,321,498,560/838,065,928.86
  6. Step 6: Final answer
    x = 670,467,796.11

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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.