Home / 874,961,582.78-1,207,423,096.34-483,807,632.06

Finding the Fourth Proportional to 874,961,582.78, 1,207,423,096.34 and 483,807,632.06

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Solution

The fourth proportional to 874,961,582.78, 1,207,423,096.34 and 483,807,632.06 is: 667,641,323.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,961,582.78 : 1,207,423,096.34 = 483,807,632.06 : x
  2. Step 2: Convert to fraction form
    874,961,582.78/1,207,423,096.34 = 483,807,632.06/x
  3. Step 3: Cross multiply
    874,961,582.78x = 1,207,423,096.34 × 483,807,632.06
  4. Step 4: Simplify right side
    874,961,582.78x = 584,160,509,126,352,512
  5. Step 5: Solve for x
    x = 584,160,509,126,352,512/874,961,582.78
  6. Step 6: Final answer
    x = 667,641,323.49

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Double scale
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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.