Home / 1,173,471,207.40-1,760,206,811.10-355,477,220.20

Finding the Fourth Proportional to 1,173,471,207.40, 1,760,206,811.10 and 355,477,220.20

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Solution

The fourth proportional to 1,173,471,207.40, 1,760,206,811.10 and 355,477,220.20 is: 533,215,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,471,207.40 : 1,760,206,811.10 = 355,477,220.20 : x
  2. Step 2: Convert to fraction form
    1,173,471,207.40/1,760,206,811.10 = 355,477,220.20/x
  3. Step 3: Cross multiply
    1,173,471,207.40x = 1,760,206,811.10 × 355,477,220.20
  4. Step 4: Simplify right side
    1,173,471,207.40x = 625,713,424,186,934,400
  5. Step 5: Solve for x
    x = 625,713,424,186,934,400/1,173,471,207.40
  6. Step 6: Final answer
    x = 533,215,830.30

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Double scale
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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.