Home / 598,947,813.40-898,421,720.10-210,767,560.60

Finding the Fourth Proportional to 598,947,813.40, 898,421,720.10 and 210,767,560.60

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Solution

The fourth proportional to 598,947,813.40, 898,421,720.10 and 210,767,560.60 is: 316,151,340.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,947,813.40 : 898,421,720.10 = 210,767,560.60 : x
  2. Step 2: Convert to fraction form
    598,947,813.40/898,421,720.10 = 210,767,560.60/x
  3. Step 3: Cross multiply
    598,947,813.40x = 898,421,720.10 × 210,767,560.60
  4. Step 4: Simplify right side
    598,947,813.40x = 189,358,154,335,532,992
  5. Step 5: Solve for x
    x = 189,358,154,335,532,992/598,947,813.40
  6. Step 6: Final answer
    x = 316,151,340.90

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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.