Home / 1,126,604,120.21-1,554,508,115.73-650,120,661.13

Finding the Fourth Proportional to 1,126,604,120.21, 1,554,508,115.73 and 650,120,661.13

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Solution

The fourth proportional to 1,126,604,120.21, 1,554,508,115.73 and 650,120,661.13 is: 897,047,885.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,604,120.21 : 1,554,508,115.73 = 650,120,661.13 : x
  2. Step 2: Convert to fraction form
    1,126,604,120.21/1,554,508,115.73 = 650,120,661.13/x
  3. Step 3: Cross multiply
    1,126,604,120.21x = 1,554,508,115.73 × 650,120,661.13
  4. Step 4: Simplify right side
    1,126,604,120.21x = 1,010,617,843,935,774,592
  5. Step 5: Solve for x
    x = 1,010,617,843,935,774,592/1,126,604,120.21
  6. Step 6: Final answer
    x = 897,047,885.59

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Double scale
Find fourth proportional to 1,126,604,121.21, 1,554,508,117.11 and 650,120,662.13
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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.