Home / 1,157,376,645.40-1,736,256,257.70-536,212,658.20

Finding the Fourth Proportional to 1,157,376,645.40, 1,736,256,257.70 and 536,212,658.20

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Solution

The fourth proportional to 1,157,376,645.40, 1,736,256,257.70 and 536,212,658.20 is: 804,407,611.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,376,645.40 : 1,736,256,257.70 = 536,212,658.20 : x
  2. Step 2: Convert to fraction form
    1,157,376,645.40/1,736,256,257.70 = 536,212,658.20/x
  3. Step 3: Cross multiply
    1,157,376,645.40x = 1,736,256,257.70 × 536,212,658.20
  4. Step 4: Simplify right side
    1,157,376,645.40x = 931,002,583,257,701,248
  5. Step 5: Solve for x
    x = 931,002,583,257,701,248/1,157,376,645.40
  6. Step 6: Final answer
    x = 804,407,611.78

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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.