Home / 578,584,909.35-798,453,628.74-340,482,720.15

Finding the Fourth Proportional to 578,584,909.35, 798,453,628.74 and 340,482,720.15

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Solution

The fourth proportional to 578,584,909.35, 798,453,628.74 and 340,482,720.15 is: 469,869,951.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,584,909.35 : 798,453,628.74 = 340,482,720.15 : x
  2. Step 2: Convert to fraction form
    578,584,909.35/798,453,628.74 = 340,482,720.15/x
  3. Step 3: Cross multiply
    578,584,909.35x = 798,453,628.74 × 340,482,720.15
  4. Step 4: Simplify right side
    578,584,909.35x = 271,859,663,427,033,408
  5. Step 5: Solve for x
    x = 271,859,663,427,033,408/578,584,909.35
  6. Step 6: Final answer
    x = 469,869,951.73

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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.