Home / 458,045,803.20-686,833,351.20-134,887,684.80

Finding the Fourth Proportional to 458,045,803.20, 686,833,351.20 and 134,887,684.80

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Solution

The fourth proportional to 458,045,803.20, 686,833,351.20 and 134,887,684.80 is: 202,262,219.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,045,803.20 : 686,833,351.20 = 134,887,684.80 : x
  2. Step 2: Convert to fraction form
    458,045,803.20/686,833,351.20 = 134,887,684.80/x
  3. Step 3: Cross multiply
    458,045,803.20x = 686,833,351.20 × 134,887,684.80
  4. Step 4: Simplify right side
    458,045,803.20x = 92,645,360,586,793,312
  5. Step 5: Solve for x
    x = 92,645,360,586,793,312/458,045,803.20
  6. Step 6: Final answer
    x = 202,262,219.06

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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.