Home / 776,925,692.20-1,165,388,538.30-532,037,679.40

Finding the Fourth Proportional to 776,925,692.20, 1,165,388,538.30 and 532,037,679.40

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Solution

The fourth proportional to 776,925,692.20, 1,165,388,538.30 and 532,037,679.40 is: 798,056,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,925,692.20 : 1,165,388,538.30 = 532,037,679.40 : x
  2. Step 2: Convert to fraction form
    776,925,692.20/1,165,388,538.30 = 532,037,679.40/x
  3. Step 3: Cross multiply
    776,925,692.20x = 1,165,388,538.30 × 532,037,679.40
  4. Step 4: Simplify right side
    776,925,692.20x = 620,030,613,516,489,984
  5. Step 5: Solve for x
    x = 620,030,613,516,489,984/776,925,692.20
  6. Step 6: Final answer
    x = 798,056,519.10

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1.5x scale

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.