Home / 881,899,953.03-1,217,012,277.20-485,414,465.67

Finding the Fourth Proportional to 881,899,953.03, 1,217,012,277.20 and 485,414,465.67

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Solution

The fourth proportional to 881,899,953.03, 1,217,012,277.20 and 485,414,465.67 is: 669,866,646.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,899,953.03 : 1,217,012,277.20 = 485,414,465.67 : x
  2. Step 2: Convert to fraction form
    881,899,953.03/1,217,012,277.20 = 485,414,465.67/x
  3. Step 3: Cross multiply
    881,899,953.03x = 1,217,012,277.20 × 485,414,465.67
  4. Step 4: Simplify right side
    881,899,953.03x = 590,755,364,248,440,832
  5. Step 5: Solve for x
    x = 590,755,364,248,440,832/881,899,953.03
  6. Step 6: Final answer
    x = 669,866,646.69

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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.