Home / 1,573,359,477.76-2,171,209,932.12-868,493,226.88

Finding the Fourth Proportional to 1,573,359,477.76, 2,171,209,932.12 and 868,493,226.88

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Solution

The fourth proportional to 1,573,359,477.76, 2,171,209,932.12 and 868,493,226.88 is: 1,198,506,219.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573,359,477.76 : 2,171,209,932.12 = 868,493,226.88 : x
  2. Step 2: Convert to fraction form
    1,573,359,477.76/2,171,209,932.12 = 868,493,226.88/x
  3. Step 3: Cross multiply
    1,573,359,477.76x = 2,171,209,932.12 × 868,493,226.88
  4. Step 4: Simplify right side
    1,573,359,477.76x = 1,885,681,120,180,804,352
  5. Step 5: Solve for x
    x = 1,885,681,120,180,804,352/1,573,359,477.76
  6. Step 6: Final answer
    x = 1,198,506,219.87

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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.