Home / 981,492,934.10-1,354,464,642.30-535,454,945.67

Finding the Fourth Proportional to 981,492,934.10, 1,354,464,642.30 and 535,454,945.67

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Solution

The fourth proportional to 981,492,934.10, 1,354,464,642.30 and 535,454,945.67 is: 738,930,221.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,492,934.10 : 1,354,464,642.30 = 535,454,945.67 : x
  2. Step 2: Convert to fraction form
    981,492,934.10/1,354,464,642.30 = 535,454,945.67/x
  3. Step 3: Cross multiply
    981,492,934.10x = 1,354,464,642.30 × 535,454,945.67
  4. Step 4: Simplify right side
    981,492,934.10x = 725,254,791,454,682,496
  5. Step 5: Solve for x
    x = 725,254,791,454,682,496/981,492,934.10
  6. Step 6: Final answer
    x = 738,930,221.76

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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.