Home / 1,020,416,592.80-1,408,219,491.88-574,408,735.76

Finding the Fourth Proportional to 1,020,416,592.80, 1,408,219,491.88 and 574,408,735.76

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Solution

The fourth proportional to 1,020,416,592.80, 1,408,219,491.88 and 574,408,735.76 is: 792,709,157.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,416,592.80 : 1,408,219,491.88 = 574,408,735.76 : x
  2. Step 2: Convert to fraction form
    1,020,416,592.80/1,408,219,491.88 = 574,408,735.76/x
  3. Step 3: Cross multiply
    1,020,416,592.80x = 1,408,219,491.88 × 574,408,735.76
  4. Step 4: Simplify right side
    1,020,416,592.80x = 808,893,578,003,380,480
  5. Step 5: Solve for x
    x = 808,893,578,003,380,480/1,020,416,592.80
  6. Step 6: Final answer
    x = 792,709,157.92

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1.5x scale

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.