Home / 1,119,420,546.30-1,545,295,769.55-723,136,801.86

Finding the Fourth Proportional to 1,119,420,546.30, 1,545,295,769.55 and 723,136,801.86

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Solution

The fourth proportional to 1,119,420,546.30, 1,545,295,769.55 and 723,136,801.86 is: 998,248,821.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,420,546.30 : 1,545,295,769.55 = 723,136,801.86 : x
  2. Step 2: Convert to fraction form
    1,119,420,546.30/1,545,295,769.55 = 723,136,801.86/x
  3. Step 3: Cross multiply
    1,119,420,546.30x = 1,545,295,769.55 × 723,136,801.86
  4. Step 4: Simplify right side
    1,119,420,546.30x = 1,117,460,240,720,174,592
  5. Step 5: Solve for x
    x = 1,117,460,240,720,174,592/1,119,420,546.30
  6. Step 6: Final answer
    x = 998,248,821.15

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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.