Home / 932,641,821.33-1,398,471,849.25-637,621,311.64

Finding the Fourth Proportional to 932,641,821.33, 1,398,471,849.25 and 637,621,311.64

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Solution

The fourth proportional to 932,641,821.33, 1,398,471,849.25 and 637,621,311.64 is: 956,096,364.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,641,821.33 : 1,398,471,849.25 = 637,621,311.64 : x
  2. Step 2: Convert to fraction form
    932,641,821.33/1,398,471,849.25 = 637,621,311.64/x
  3. Step 3: Cross multiply
    932,641,821.33x = 1,398,471,849.25 × 637,621,311.64
  4. Step 4: Simplify right side
    932,641,821.33x = 891,695,454,800,220,800
  5. Step 5: Solve for x
    x = 891,695,454,800,220,800/932,641,821.33
  6. Step 6: Final answer
    x = 956,096,364.55

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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.