Home / 1,161,706,067.80-1,742,559,101.70-898,678,202.20

Finding the Fourth Proportional to 1,161,706,067.80, 1,742,559,101.70 and 898,678,202.20

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Solution

The fourth proportional to 1,161,706,067.80, 1,742,559,101.70 and 898,678,202.20 is: 1,348,017,303.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,706,067.80 : 1,742,559,101.70 = 898,678,202.20 : x
  2. Step 2: Convert to fraction form
    1,161,706,067.80/1,742,559,101.70 = 898,678,202.20/x
  3. Step 3: Cross multiply
    1,161,706,067.80x = 1,742,559,101.70 × 898,678,202.20
  4. Step 4: Simplify right side
    1,161,706,067.80x = 1,565,999,880,743,003,136
  5. Step 5: Solve for x
    x = 1,565,999,880,743,003,136/1,161,706,067.80
  6. Step 6: Final answer
    x = 1,348,017,303.30

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Double scale
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Similar ratio
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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.